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Finding the Fourth Proportional to 57,229.72, 85,842.72 and 17,248.92

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Solution

The fourth proportional to 57,229.72, 85,842.72 and 17,248.92 is: 25,872.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,229.72 : 85,842.72 = 17,248.92 : x
  2. Step 2: Convert to fraction form
    57,229.72/85,842.72 = 17,248.92/x
  3. Step 3: Cross multiply
    57,229.72x = 85,842.72 × 17,248.92
  4. Step 4: Simplify right side
    57,229.72x = 1,480,694,209.86
  5. Step 5: Solve for x
    x = 1,480,694,209.86/57,229.72
  6. Step 6: Final answer
    x = 25,872.82

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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.