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Finding the Fourth Proportional to 48,967.62, 67,135.22 and 48,081.88

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Solution

The fourth proportional to 48,967.62, 67,135.22 and 48,081.88 is: 65,920.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,967.62 : 67,135.22 = 48,081.88 : x
  2. Step 2: Convert to fraction form
    48,967.62/67,135.22 = 48,081.88/x
  3. Step 3: Cross multiply
    48,967.62x = 67,135.22 × 48,081.88
  4. Step 4: Simplify right side
    48,967.62x = 3,227,987,591.81
  5. Step 5: Solve for x
    x = 3,227,987,591.81/48,967.62
  6. Step 6: Final answer
    x = 65,920.87

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.