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Finding the Fourth Proportional to 17,176.88, 23,704.10 and 9,724.88

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Solution

The fourth proportional to 17,176.88, 23,704.10 and 9,724.88 is: 13,420.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,176.88 : 23,704.10 = 9,724.88 : x
  2. Step 2: Convert to fraction form
    17,176.88/23,704.10 = 9,724.88/x
  3. Step 3: Cross multiply
    17,176.88x = 23,704.10 × 9,724.88
  4. Step 4: Simplify right side
    17,176.88x = 230,519,360.86
  5. Step 5: Solve for x
    x = 230,519,360.86/17,176.88
  6. Step 6: Final answer
    x = 13,420.33

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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.