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Finding the Fourth Proportional to 69,374.72, 95,737.28 and 37,543.92

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Solution

The fourth proportional to 69,374.72, 95,737.28 and 37,543.92 is: 51,810.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,374.72 : 95,737.28 = 37,543.92 : x
  2. Step 2: Convert to fraction form
    69,374.72/95,737.28 = 37,543.92/x
  3. Step 3: Cross multiply
    69,374.72x = 95,737.28 × 37,543.92
  4. Step 4: Simplify right side
    69,374.72x = 3,594,352,781.34
  5. Step 5: Solve for x
    x = 3,594,352,781.34/69,374.72
  6. Step 6: Final answer
    x = 51,810.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.