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Finding the Fourth Proportional to 62,843.62, 86,724.42 and 34,551.10

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Solution

The fourth proportional to 62,843.62, 86,724.42 and 34,551.10 is: 47,680.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,843.62 : 86,724.42 = 34,551.10 : x
  2. Step 2: Convert to fraction form
    62,843.62/86,724.42 = 34,551.10/x
  3. Step 3: Cross multiply
    62,843.62x = 86,724.42 × 34,551.10
  4. Step 4: Simplify right side
    62,843.62x = 2,996,424,107.86
  5. Step 5: Solve for x
    x = 2,996,424,107.86/62,843.62
  6. Step 6: Final answer
    x = 47,680.64

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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.