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Finding the Fourth Proportional to 66,272.97, 91,453.97 and 36,058.41

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Solution

The fourth proportional to 66,272.97, 91,453.97 and 36,058.41 is: 49,759.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,272.97 : 91,453.97 = 36,058.41 : x
  2. Step 2: Convert to fraction form
    66,272.97/91,453.97 = 36,058.41/x
  3. Step 3: Cross multiply
    66,272.97x = 91,453.97 × 36,058.41
  4. Step 4: Simplify right side
    66,272.97x = 3,297,684,566.10
  5. Step 5: Solve for x
    x = 3,297,684,566.10/66,272.97
  6. Step 6: Final answer
    x = 49,759.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.