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Finding the Fourth Proportional to 57,819.52, 86,735.08 and 15,700.24

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Solution

The fourth proportional to 57,819.52, 86,735.08 and 15,700.24 is: 23,551.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,819.52 : 86,735.08 = 15,700.24 : x
  2. Step 2: Convert to fraction form
    57,819.52/86,735.08 = 15,700.24/x
  3. Step 3: Cross multiply
    57,819.52x = 86,735.08 × 15,700.24
  4. Step 4: Simplify right side
    57,819.52x = 1,361,761,572.42
  5. Step 5: Solve for x
    x = 1,361,761,572.42/57,819.52
  6. Step 6: Final answer
    x = 23,551.93

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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.