1. **State the problem:** Solve the equation $$\log_3 \sqrt{x} = \frac{1}{2 \log_2 3} + \log_3 (4x^3)$$ where $$x > 0$$.
2. **Recall logarithm properties:**
- $$\log_a b^c = c \log_a b$$
- $$\log_a b + \log_a c = \log_a (bc)$$
- Change of base formula: $$\log_a b = \frac{\log_c b}{\log_c a}$$ for any positive $$c \neq 1$$.
3. **Rewrite terms:**
- $$\log_3 \sqrt{x} = \log_3 x^{1/2} = \frac{1}{2} \log_3 x$$
- $$\log_3 (4x^3) = \log_3 4 + \log_3 x^3 = \log_3 4 + 3 \log_3 x$$
4. **Substitute into the equation:**
$$\frac{1}{2} \log_3 x = \frac{1}{2 \log_2 3} + \log_3 4 + 3 \log_3 x$$
5. **Group $$\log_3 x$$ terms:**
Move $$3 \log_3 x$$ to the left:
$$\frac{1}{2} \log_3 x - 3 \log_3 x = \frac{1}{2 \log_2 3} + \log_3 4$$
Simplify left side:
$$\left(\frac{1}{2} - 3\right) \log_3 x = \frac{1}{2 \log_2 3} + \log_3 4$$
$$-\frac{5}{2} \log_3 x = \frac{1}{2 \log_2 3} + \log_3 4$$
6. **Isolate $$\log_3 x$$:**
$$\log_3 x = -\frac{2}{5} \left( \frac{1}{2 \log_2 3} + \log_3 4 \right)$$
7. **Simplify the term $$\frac{1}{2 \log_2 3}$$:**
Using change of base,
$$\log_2 3 = \frac{\log_3 3}{\log_3 2} = \frac{1}{\log_3 2}$$
So,
$$\frac{1}{2 \log_2 3} = \frac{1}{2 \cdot \frac{1}{\log_3 2}} = \frac{\log_3 2}{2}$$
8. **Substitute back:**
$$\log_3 x = -\frac{2}{5} \left( \frac{\log_3 2}{2} + \log_3 4 \right) = -\frac{2}{5} \left( \frac{\log_3 2}{2} + \log_3 2^2 \right)$$
Since $$\log_3 4 = \log_3 2^2 = 2 \log_3 2$$,
$$\log_3 x = -\frac{2}{5} \left( \frac{\log_3 2}{2} + 2 \log_3 2 \right) = -\frac{2}{5} \left( \frac{\log_3 2}{2} + \frac{4 \log_3 2}{2} \right) = -\frac{2}{5} \cdot \frac{5 \log_3 2}{2}$$
9. **Simplify:**
$$\log_3 x = -\frac{2}{5} \cdot \frac{5 \log_3 2}{2} = -\log_3 2$$
10. **Solve for $$x$$:**
$$\log_3 x = -\log_3 2 \implies \log_3 x = \log_3 \frac{1}{2}$$
Therefore,
$$x = \frac{1}{2}$$.
**Final answer:** $$x = \frac{1}{2}$$.
Logarithm Equation 928794
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