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Finding the Fourth Proportional to 62,731.70, 86,563.99 and 37,233.71

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Solution

The fourth proportional to 62,731.70, 86,563.99 and 37,233.71 is: 51,379.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,731.70 : 86,563.99 = 37,233.71 : x
  2. Step 2: Convert to fraction form
    62,731.70/86,563.99 = 37,233.71/x
  3. Step 3: Cross multiply
    62,731.70x = 86,563.99 × 37,233.71
  4. Step 4: Simplify right side
    62,731.70x = 3,223,098,438.44
  5. Step 5: Solve for x
    x = 3,223,098,438.44/62,731.70
  6. Step 6: Final answer
    x = 51,379.10

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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.