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Finding the Fourth Proportional to 69,009.84, 95,221.92 and 38,791.14

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Solution

The fourth proportional to 69,009.84, 95,221.92 and 38,791.14 is: 53,525.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,009.84 : 95,221.92 = 38,791.14 : x
  2. Step 2: Convert to fraction form
    69,009.84/95,221.92 = 38,791.14/x
  3. Step 3: Cross multiply
    69,009.84x = 95,221.92 × 38,791.14
  4. Step 4: Simplify right side
    69,009.84x = 3,693,766,829.79
  5. Step 5: Solve for x
    x = 3,693,766,829.79/69,009.84
  6. Step 6: Final answer
    x = 53,525.22

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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.