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Finding the Fourth Proportional to 61,627.62, 85,046.09 and 34,769.88

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Solution

The fourth proportional to 61,627.62, 85,046.09 and 34,769.88 is: 47,982.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,627.62 : 85,046.09 = 34,769.88 : x
  2. Step 2: Convert to fraction form
    61,627.62/85,046.09 = 34,769.88/x
  3. Step 3: Cross multiply
    61,627.62x = 85,046.09 × 34,769.88
  4. Step 4: Simplify right side
    61,627.62x = 2,957,042,643.31
  5. Step 5: Solve for x
    x = 2,957,042,643.31/61,627.62
  6. Step 6: Final answer
    x = 47,982.43

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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.