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Finding the Fourth Proportional to 69,034.92, 103,572.54 and 27,488.04

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Solution

The fourth proportional to 69,034.92, 103,572.54 and 27,488.04 is: 41,240.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,034.92 : 103,572.54 = 27,488.04 : x
  2. Step 2: Convert to fraction form
    69,034.92/103,572.54 = 27,488.04/x
  3. Step 3: Cross multiply
    69,034.92x = 103,572.54 × 27,488.04
  4. Step 4: Simplify right side
    69,034.92x = 2,847,006,122.42
  5. Step 5: Solve for x
    x = 2,847,006,122.42/69,034.92
  6. Step 6: Final answer
    x = 41,240.09

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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.