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Finding the Fourth Proportional to 57,472.07, 86,218.70 and 25,882.88

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Solution

The fourth proportional to 57,472.07, 86,218.70 and 25,882.88 is: 38,829.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,472.07 : 86,218.70 = 25,882.88 : x
  2. Step 2: Convert to fraction form
    57,472.07/86,218.70 = 25,882.88/x
  3. Step 3: Cross multiply
    57,472.07x = 86,218.70 × 25,882.88
  4. Step 4: Simplify right side
    57,472.07x = 2,231,587,705.35
  5. Step 5: Solve for x
    x = 2,231,587,705.35/57,472.07
  6. Step 6: Final answer
    x = 38,829.09

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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.