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Finding the Fourth Proportional to 60,287.49, 90,358.68 and 22,306.47

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Solution

The fourth proportional to 60,287.49, 90,358.68 and 22,306.47 is: 33,432.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,287.49 : 90,358.68 = 22,306.47 : x
  2. Step 2: Convert to fraction form
    60,287.49/90,358.68 = 22,306.47/x
  3. Step 3: Cross multiply
    60,287.49x = 90,358.68 × 22,306.47
  4. Step 4: Simplify right side
    60,287.49x = 2,015,583,184.66
  5. Step 5: Solve for x
    x = 2,015,583,184.66/60,287.49
  6. Step 6: Final answer
    x = 33,432.86

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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.