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Finding the Fourth Proportional to 8,045,162.70, 12,067,744.05 and 6,450,839.70

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Solution

The fourth proportional to 8,045,162.70, 12,067,744.05 and 6,450,839.70 is: 9,676,259.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045,162.70 : 12,067,744.05 = 6,450,839.70 : x
  2. Step 2: Convert to fraction form
    8,045,162.70/12,067,744.05 = 6,450,839.70/x
  3. Step 3: Cross multiply
    8,045,162.70x = 12,067,744.05 × 6,450,839.70
  4. Step 4: Simplify right side
    8,045,162.70x = 77,847,082,407,178.80
  5. Step 5: Solve for x
    x = 77,847,082,407,178.80/8,045,162.70
  6. Step 6: Final answer
    x = 9,676,259.55

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Similar ratio
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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.