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Finding the Fourth Proportional to 62,432.74, 93,603.48 and 22,990.60

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Solution

The fourth proportional to 62,432.74, 93,603.48 and 22,990.60 is: 34,469.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,432.74 : 93,603.48 = 22,990.60 : x
  2. Step 2: Convert to fraction form
    62,432.74/93,603.48 = 22,990.60/x
  3. Step 3: Cross multiply
    62,432.74x = 93,603.48 × 22,990.60
  4. Step 4: Simplify right side
    62,432.74x = 2,152,000,167.29
  5. Step 5: Solve for x
    x = 2,152,000,167.29/62,432.74
  6. Step 6: Final answer
    x = 34,469.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.