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Finding the Fourth Proportional to 17,003.40, 25,512.68 and 8,679.04

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Solution

The fourth proportional to 17,003.40, 25,512.68 and 8,679.04 is: 13,022.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,003.40 : 25,512.68 = 8,679.04 : x
  2. Step 2: Convert to fraction form
    17,003.40/25,512.68 = 8,679.04/x
  3. Step 3: Cross multiply
    17,003.40x = 25,512.68 × 8,679.04
  4. Step 4: Simplify right side
    17,003.40x = 221,425,570.23
  5. Step 5: Solve for x
    x = 221,425,570.23/17,003.40
  6. Step 6: Final answer
    x = 13,022.43

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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.