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Finding the Fourth Proportional to 5,859,344.80, 8,789,017.20 and 3,591,863.20

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Solution

The fourth proportional to 5,859,344.80, 8,789,017.20 and 3,591,863.20 is: 5,387,794.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,859,344.80 : 8,789,017.20 = 3,591,863.20 : x
  2. Step 2: Convert to fraction form
    5,859,344.80/8,789,017.20 = 3,591,863.20/x
  3. Step 3: Cross multiply
    5,859,344.80x = 8,789,017.20 × 3,591,863.20
  4. Step 4: Simplify right side
    5,859,344.80x = 31,568,947,444,847.04
  5. Step 5: Solve for x
    x = 31,568,947,444,847.04/5,859,344.80
  6. Step 6: Final answer
    x = 5,387,794.80

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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.