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Finding the Fourth Proportional to 62,882.73, 86,768.62 and 35,657.31

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Solution

The fourth proportional to 62,882.73, 86,768.62 and 35,657.31 is: 49,201.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,882.73 : 86,768.62 = 35,657.31 : x
  2. Step 2: Convert to fraction form
    62,882.73/86,768.62 = 35,657.31/x
  3. Step 3: Cross multiply
    62,882.73x = 86,768.62 × 35,657.31
  4. Step 4: Simplify right side
    62,882.73x = 3,093,935,817.85
  5. Step 5: Solve for x
    x = 3,093,935,817.85/62,882.73
  6. Step 6: Final answer
    x = 49,201.68

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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.