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Finding the Fourth Proportional to 66,414.71, 91,654.43 and 37,733.85

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Solution

The fourth proportional to 66,414.71, 91,654.43 and 37,733.85 is: 52,073.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,414.71 : 91,654.43 = 37,733.85 : x
  2. Step 2: Convert to fraction form
    66,414.71/91,654.43 = 37,733.85/x
  3. Step 3: Cross multiply
    66,414.71x = 91,654.43 × 37,733.85
  4. Step 4: Simplify right side
    66,414.71x = 3,458,474,324.79
  5. Step 5: Solve for x
    x = 3,458,474,324.79/66,414.71
  6. Step 6: Final answer
    x = 52,073.92

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1.5x scale

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.