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Finding the Fourth Proportional to 60,388.68, 90,562.54 and 22,939.72

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Solution

The fourth proportional to 60,388.68, 90,562.54 and 22,939.72 is: 34,401.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,388.68 : 90,562.54 = 22,939.72 : x
  2. Step 2: Convert to fraction form
    60,388.68/90,562.54 = 22,939.72/x
  3. Step 3: Cross multiply
    60,388.68x = 90,562.54 × 22,939.72
  4. Step 4: Simplify right side
    60,388.68x = 2,077,479,310.09
  5. Step 5: Solve for x
    x = 2,077,479,310.09/60,388.68
  6. Step 6: Final answer
    x = 34,401.80

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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.