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Finding the Fourth Proportional to 69,874.33, 96,428.31 and 38,044.98

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Solution

The fourth proportional to 69,874.33, 96,428.31 and 38,044.98 is: 52,503.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,874.33 : 96,428.31 = 38,044.98 : x
  2. Step 2: Convert to fraction form
    69,874.33/96,428.31 = 38,044.98/x
  3. Step 3: Cross multiply
    69,874.33x = 96,428.31 × 38,044.98
  4. Step 4: Simplify right side
    69,874.33x = 3,668,613,125.38
  5. Step 5: Solve for x
    x = 3,668,613,125.38/69,874.33
  6. Step 6: Final answer
    x = 52,503.02

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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.