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Finding the Fourth Proportional to 5,866,708.80, 8,803,999.80 and 3,468,007.20

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Solution

The fourth proportional to 5,866,708.80, 8,803,999.80 and 3,468,007.20 is: 5,204,337.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,866,708.80 : 8,803,999.80 = 3,468,007.20 : x
  2. Step 2: Convert to fraction form
    5,866,708.80/8,803,999.80 = 3,468,007.20/x
  3. Step 3: Cross multiply
    5,866,708.80x = 8,803,999.80 × 3,468,007.20
  4. Step 4: Simplify right side
    5,866,708.80x = 30,532,334,695,198.56
  5. Step 5: Solve for x
    x = 30,532,334,695,198.56/5,866,708.80
  6. Step 6: Final answer
    x = 5,204,337.86

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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.