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Finding the Fourth Proportional to 62,472.60, 93,708.90 and 56,446.20

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Solution

The fourth proportional to 62,472.60, 93,708.90 and 56,446.20 is: 84,669.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,472.60 : 93,708.90 = 56,446.20 : x
  2. Step 2: Convert to fraction form
    62,472.60/93,708.90 = 56,446.20/x
  3. Step 3: Cross multiply
    62,472.60x = 93,708.90 × 56,446.20
  4. Step 4: Simplify right side
    62,472.60x = 5,289,511,311.18
  5. Step 5: Solve for x
    x = 5,289,511,311.18/62,472.60
  6. Step 6: Final answer
    x = 84,669.30

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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.