1. **State the problem:** We have a parallelogram with angles labeled $y^\circ$, $47^\circ$, $x^\circ$, and one angle given as $38^\circ$. We need to find the value of $y$.
2. **Recall properties of parallelograms:** Opposite angles in a parallelogram are equal, and adjacent angles are supplementary (sum to $180^\circ$).
3. **Use the supplementary angle rule:** Since $y^\circ$ and $47^\circ$ are adjacent angles, they satisfy
$$y + 47 = 180$$
4. **Solve for $y$:**
$$y = 180 - 47$$
$$y = 133$$
5. **Check consistency:** The opposite angle to $y$ should also be $133^\circ$, which fits the parallelogram properties.
**Final answer:**
$$\boxed{133}$$
Parallelogram Angle B17D07
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