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Finding the Fourth Proportional to 7,250,793.90, 10,866,859.65 and 5,559,513.90

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Solution

The fourth proportional to 7,250,793.90, 10,866,859.65 and 5,559,513.90 is: 8,332,116.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250,793.90 : 10,866,859.65 = 5,559,513.90 : x
  2. Step 2: Convert to fraction form
    7,250,793.90/10,866,859.65 = 5,559,513.90/x
  3. Step 3: Cross multiply
    7,250,793.90x = 10,866,859.65 × 5,559,513.90
  4. Step 4: Simplify right side
    7,250,793.90x = 60,414,457,273,524.14
  5. Step 5: Solve for x
    x = 60,414,457,273,524.14/7,250,793.90
  6. Step 6: Final answer
    x = 8,332,116.19

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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.