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Finding the Fourth Proportional to 17,240.38, 23,791.74 and 9,788.38

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Solution

The fourth proportional to 17,240.38, 23,791.74 and 9,788.38 is: 13,507.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,240.38 : 23,791.74 = 9,788.38 : x
  2. Step 2: Convert to fraction form
    17,240.38/23,791.74 = 9,788.38/x
  3. Step 3: Cross multiply
    17,240.38x = 23,791.74 × 9,788.38
  4. Step 4: Simplify right side
    17,240.38x = 232,882,591.98
  5. Step 5: Solve for x
    x = 232,882,591.98/17,240.38
  6. Step 6: Final answer
    x = 13,507.97

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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.