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Finding the Fourth Proportional to 69,174.83, 95,469.97 and 38,965.88

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Solution

The fourth proportional to 69,174.83, 95,469.97 and 38,965.88 is: 53,777.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,174.83 : 95,469.97 = 38,965.88 : x
  2. Step 2: Convert to fraction form
    69,174.83/95,469.97 = 38,965.88/x
  3. Step 3: Cross multiply
    69,174.83x = 95,469.97 × 38,965.88
  4. Step 4: Simplify right side
    69,174.83x = 3,720,071,394.62
  5. Step 5: Solve for x
    x = 3,720,071,394.62/69,174.83
  6. Step 6: Final answer
    x = 53,777.82

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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.