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Finding the Fourth Proportional to 62,843.11, 86,724.08 and 34,549

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Solution

The fourth proportional to 62,843.11, 86,724.08 and 34,549 is: 47,677.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,843.11 : 86,724.08 = 34,549 : x
  2. Step 2: Convert to fraction form
    62,843.11/86,724.08 = 34,549/x
  3. Step 3: Cross multiply
    62,843.11x = 86,724.08 × 34,549
  4. Step 4: Simplify right side
    62,843.11x = 2,996,230,239.92
  5. Step 5: Solve for x
    x = 2,996,230,239.92/62,843.11
  6. Step 6: Final answer
    x = 47,677.94

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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.