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Finding the Fourth Proportional to 17,507.20, 26,238.90 and 8,744.56

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Solution

The fourth proportional to 17,507.20, 26,238.90 and 8,744.56 is: 13,105.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,507.20 : 26,238.90 = 8,744.56 : x
  2. Step 2: Convert to fraction form
    17,507.20/26,238.90 = 8,744.56/x
  3. Step 3: Cross multiply
    17,507.20x = 26,238.90 × 8,744.56
  4. Step 4: Simplify right side
    17,507.20x = 229,447,635.38
  5. Step 5: Solve for x
    x = 229,447,635.38/17,507.20
  6. Step 6: Final answer
    x = 13,105.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.