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Finding the Fourth Proportional to 8,527.24, 12,753.87 and 5,008.87

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Solution

The fourth proportional to 8,527.24, 12,753.87 and 5,008.87 is: 7,491.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,527.24 : 12,753.87 = 5,008.87 : x
  2. Step 2: Convert to fraction form
    8,527.24/12,753.87 = 5,008.87/x
  3. Step 3: Cross multiply
    8,527.24x = 12,753.87 × 5,008.87
  4. Step 4: Simplify right side
    8,527.24x = 63,882,476.83
  5. Step 5: Solve for x
    x = 63,882,476.83/8,527.24
  6. Step 6: Final answer
    x = 7,491.58

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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.