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Finding the Fourth Proportional to 8,366,446.80, 12,531,007.80 and 6,873,454.80

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Solution

The fourth proportional to 8,366,446.80, 12,531,007.80 and 6,873,454.80 is: 10,294,850.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,366,446.80 : 12,531,007.80 = 6,873,454.80 : x
  2. Step 2: Convert to fraction form
    8,366,446.80/12,531,007.80 = 6,873,454.80/x
  3. Step 3: Cross multiply
    8,366,446.80x = 12,531,007.80 × 6,873,454.80
  4. Step 4: Simplify right side
    8,366,446.80x = 86,131,315,711,747.44
  5. Step 5: Solve for x
    x = 86,131,315,711,747.44/8,366,446.80
  6. Step 6: Final answer
    x = 10,294,850.10

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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.