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Finding the Fourth Proportional to 8,073.01, 12,109.50 and 2,149.90

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Solution

The fourth proportional to 8,073.01, 12,109.50 and 2,149.90 is: 3,224.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,073.01 : 12,109.50 = 2,149.90 : x
  2. Step 2: Convert to fraction form
    8,073.01/12,109.50 = 2,149.90/x
  3. Step 3: Cross multiply
    8,073.01x = 12,109.50 × 2,149.90
  4. Step 4: Simplify right side
    8,073.01x = 26,034,183.78
  5. Step 5: Solve for x
    x = 26,034,183.78/8,073.01
  6. Step 6: Final answer
    x = 3,224.84

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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.