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Finding the Fourth Proportional to 8,396,471.88, 12,594,843.90 and 2,639,024.28

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Solution

The fourth proportional to 8,396,471.88, 12,594,843.90 and 2,639,024.28 is: 3,958,579.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,396,471.88 : 12,594,843.90 = 2,639,024.28 : x
  2. Step 2: Convert to fraction form
    8,396,471.88/12,594,843.90 = 2,639,024.28/x
  3. Step 3: Cross multiply
    8,396,471.88x = 12,594,843.90 × 2,639,024.28
  4. Step 4: Simplify right side
    8,396,471.88x = 33,238,098,854,909.89
  5. Step 5: Solve for x
    x = 33,238,098,854,909.89/8,396,471.88
  6. Step 6: Final answer
    x = 3,958,579.19

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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.