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Finding the Fourth Proportional to 8,967,678.32, 12,375,694.68 and 4,893,520.88

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Solution

The fourth proportional to 8,967,678.32, 12,375,694.68 and 4,893,520.88 is: 6,753,221.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,967,678.32 : 12,375,694.68 = 4,893,520.88 : x
  2. Step 2: Convert to fraction form
    8,967,678.32/12,375,694.68 = 4,893,520.88/x
  3. Step 3: Cross multiply
    8,967,678.32x = 12,375,694.68 × 4,893,520.88
  4. Step 4: Simplify right side
    8,967,678.32x = 60,560,720,321,084.91
  5. Step 5: Solve for x
    x = 60,560,720,321,084.91/8,967,678.32
  6. Step 6: Final answer
    x = 6,753,221.75

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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.