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Finding the Fourth Proportional to 15,171.57, 22,751.15 and 8,944.02

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Solution

The fourth proportional to 15,171.57, 22,751.15 and 8,944.02 is: 13,412.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,171.57 : 22,751.15 = 8,944.02 : x
  2. Step 2: Convert to fraction form
    15,171.57/22,751.15 = 8,944.02/x
  3. Step 3: Cross multiply
    15,171.57x = 22,751.15 × 8,944.02
  4. Step 4: Simplify right side
    15,171.57x = 203,486,695.90
  5. Step 5: Solve for x
    x = 203,486,695.90/15,171.57
  6. Step 6: Final answer
    x = 13,412.37

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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.