1. **State the problem:** We are given a cone with total surface area $3584\pi$ cm², radius $r=14x$, and height $h=24x$. We need to find the volume of the cone to the nearest integer.
2. **Recall formulas:**
- Curved surface area (CSA) of cone: $\pi r l$
- Volume of cone: $\frac{1}{3} \pi r^2 h$
- Total surface area (TSA) = CSA + base area = $\pi r l + \pi r^2$
3. **Find slant height $l$ using Pythagoras:**
$$l = \sqrt{r^2 + h^2} = \sqrt{(14x)^2 + (24x)^2} = \sqrt{196x^2 + 576x^2} = \sqrt{772x^2} = x\sqrt{772}$$
4. **Write TSA in terms of $x$:**
$$\text{TSA} = \pi r l + \pi r^2 = \pi (14x)(x\sqrt{772}) + \pi (14x)^2 = \pi (14x^2 \sqrt{772}) + \pi (196x^2) = \pi x^2 (14\sqrt{772} + 196)$$
5. **Given TSA = $3584\pi$, solve for $x^2$:**
$$3584\pi = \pi x^2 (14\sqrt{772} + 196)$$
Divide both sides by $\pi$:
$$3584 = x^2 (14\sqrt{772} + 196)$$
$$x^2 = \frac{3584}{14\sqrt{772} + 196}$$
6. **Calculate $14\sqrt{772} + 196$:**
$$\sqrt{772} \approx 27.78$$
$$14 \times 27.78 = 389.0$$
$$389.0 + 196 = 585.0$$
7. **Calculate $x^2$:**
$$x^2 = \frac{3584}{585} \approx 6.1265$$
8. **Calculate volume:**
$$V = \frac{1}{3} \pi r^2 h = \frac{1}{3} \pi (14x)^2 (24x) = \frac{1}{3} \pi (196 x^2)(24 x) = \frac{1}{3} \pi 4704 x^3 = 1568 \pi x^3$$
9. **Calculate $x^3$:**
$$x^3 = x \times x^2 = \sqrt{6.1265} \times 6.1265 \approx 2.476 \times 6.1265 = 15.16$$
10. **Calculate volume numerically:**
$$V = 1568 \pi \times 15.16 = 1568 \times 15.16 \pi$$
$$1568 \times 15.16 = 23774.9$$
11. **Final volume:**
$$V = 23774.9 \pi \approx 23774.9 \times 3.1416 = 74699.5$$
Rounded to nearest integer:
$$\boxed{74699}$$ cm³
Cone Volume 5Cacd5
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