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Finding the Fourth Proportional to 57,414.96, 86,123.12 and 15,294.83

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Solution

The fourth proportional to 57,414.96, 86,123.12 and 15,294.83 is: 22,942.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,414.96 : 86,123.12 = 15,294.83 : x
  2. Step 2: Convert to fraction form
    57,414.96/86,123.12 = 15,294.83/x
  3. Step 3: Cross multiply
    57,414.96x = 86,123.12 × 15,294.83
  4. Step 4: Simplify right side
    57,414.96x = 1,317,237,972.38
  5. Step 5: Solve for x
    x = 1,317,237,972.38/57,414.96
  6. Step 6: Final answer
    x = 22,942.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.