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Finding the Fourth Proportional to 62,625.87, 86,423.13 and 34,331.49

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Solution

The fourth proportional to 62,625.87, 86,423.13 and 34,331.49 is: 47,377.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,625.87 : 86,423.13 = 34,331.49 : x
  2. Step 2: Convert to fraction form
    62,625.87/86,423.13 = 34,331.49/x
  3. Step 3: Cross multiply
    62,625.87x = 86,423.13 × 34,331.49
  4. Step 4: Simplify right side
    62,625.87x = 2,967,034,823.36
  5. Step 5: Solve for x
    x = 2,967,034,823.36/62,625.87
  6. Step 6: Final answer
    x = 47,377.14

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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.