For the pair of similar triangles, find the length of the indicated side.
In the upper triangle, the shortest side has length 18, and the middle side has length 27. In the lower triangle, the shortest side has length 14, the middle side has length 21, and the longest side has length 28. Find the length, x, of the longest side of the upper triangle.
A. x = 34
B. x = 36
C. x = 28
D. x = 45
Answer: B
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