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Finding the Fourth Proportional to 66,257.62, 91,414.88 and 37,575.02

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Solution

The fourth proportional to 66,257.62, 91,414.88 and 37,575.02 is: 51,841.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,257.62 : 91,414.88 = 37,575.02 : x
  2. Step 2: Convert to fraction form
    66,257.62/91,414.88 = 37,575.02/x
  3. Step 3: Cross multiply
    66,257.62x = 91,414.88 × 37,575.02
  4. Step 4: Simplify right side
    66,257.62x = 3,434,915,944.30
  5. Step 5: Solve for x
    x = 3,434,915,944.30/66,257.62
  6. Step 6: Final answer
    x = 51,841.83

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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.