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Finding the Fourth Proportional to 17,195.92, 23,728.68 and 9,738.64

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Solution

The fourth proportional to 17,195.92, 23,728.68 and 9,738.64 is: 13,438.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,195.92 : 23,728.68 = 9,738.64 : x
  2. Step 2: Convert to fraction form
    17,195.92/23,728.68 = 9,738.64/x
  3. Step 3: Cross multiply
    17,195.92x = 23,728.68 × 9,738.64
  4. Step 4: Simplify right side
    17,195.92x = 231,085,072.20
  5. Step 5: Solve for x
    x = 231,085,072.20/17,195.92
  6. Step 6: Final answer
    x = 13,438.37

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