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Finding the Fourth Proportional to 8,986,572.80, 13,479,859.20 and 2,597,033.60

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Solution

The fourth proportional to 8,986,572.80, 13,479,859.20 and 2,597,033.60 is: 3,895,550.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,986,572.80 : 13,479,859.20 = 2,597,033.60 : x
  2. Step 2: Convert to fraction form
    8,986,572.80/13,479,859.20 = 2,597,033.60/x
  3. Step 3: Cross multiply
    8,986,572.80x = 13,479,859.20 × 2,597,033.60
  4. Step 4: Simplify right side
    8,986,572.80x = 35,007,647,265,669.12
  5. Step 5: Solve for x
    x = 35,007,647,265,669.12/8,986,572.80
  6. Step 6: Final answer
    x = 3,895,550.40

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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.