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Finding the Fourth Proportional to 8,769.87, 13,141.14 and 5,472.97

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Solution

The fourth proportional to 8,769.87, 13,141.14 and 5,472.97 is: 8,200.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,769.87 : 13,141.14 = 5,472.97 : x
  2. Step 2: Convert to fraction form
    8,769.87/13,141.14 = 5,472.97/x
  3. Step 3: Cross multiply
    8,769.87x = 13,141.14 × 5,472.97
  4. Step 4: Simplify right side
    8,769.87x = 71,921,011.61
  5. Step 5: Solve for x
    x = 71,921,011.61/8,769.87
  6. Step 6: Final answer
    x = 8,200.92

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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.