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Finding the Fourth Proportional to 8,664,572.30, 11,957,550.68 and 4,797,518.90

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Solution

The fourth proportional to 8,664,572.30, 11,957,550.68 and 4,797,518.90 is: 6,620,820.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664,572.30 : 11,957,550.68 = 4,797,518.90 : x
  2. Step 2: Convert to fraction form
    8,664,572.30/11,957,550.68 = 4,797,518.90/x
  3. Step 3: Cross multiply
    8,664,572.30x = 11,957,550.68 × 4,797,518.90
  4. Step 4: Simplify right side
    8,664,572.30x = 57,366,575,337,213.88
  5. Step 5: Solve for x
    x = 57,366,575,337,213.88/8,664,572.30
  6. Step 6: Final answer
    x = 6,620,820.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.