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Finding the Fourth Proportional to 62,874.28, 86,767.23 and 34,580.44

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Solution

The fourth proportional to 62,874.28, 86,767.23 and 34,580.44 is: 47,721.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,874.28 : 86,767.23 = 34,580.44 : x
  2. Step 2: Convert to fraction form
    62,874.28/86,767.23 = 34,580.44/x
  3. Step 3: Cross multiply
    62,874.28x = 86,767.23 × 34,580.44
  4. Step 4: Simplify right side
    62,874.28x = 3,000,448,990.98
  5. Step 5: Solve for x
    x = 3,000,448,990.98/62,874.28
  6. Step 6: Final answer
    x = 47,721.41

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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.