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Finding the Fourth Proportional to 63,491.81, 95,240.75 and 52,377.89

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Solution

The fourth proportional to 63,491.81, 95,240.75 and 52,377.89 is: 78,569.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,491.81 : 95,240.75 = 52,377.89 : x
  2. Step 2: Convert to fraction form
    63,491.81/95,240.75 = 52,377.89/x
  3. Step 3: Cross multiply
    63,491.81x = 95,240.75 × 52,377.89
  4. Step 4: Simplify right side
    63,491.81x = 4,988,508,788.92
  5. Step 5: Solve for x
    x = 4,988,508,788.92/63,491.81
  6. Step 6: Final answer
    x = 78,569.33

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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.