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Finding the Fourth Proportional to 62,829.73, 86,750.90 and 43,677.55

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Solution

The fourth proportional to 62,829.73, 86,750.90 and 43,677.55 is: 60,306.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,829.73 : 86,750.90 = 43,677.55 : x
  2. Step 2: Convert to fraction form
    62,829.73/86,750.90 = 43,677.55/x
  3. Step 3: Cross multiply
    62,829.73x = 86,750.90 × 43,677.55
  4. Step 4: Simplify right side
    62,829.73x = 3,789,066,772.30
  5. Step 5: Solve for x
    x = 3,789,066,772.30/62,829.73
  6. Step 6: Final answer
    x = 60,306.91

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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.