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Finding the Fourth Proportional to 22,440.97, 30,957.15 and 17,126.56

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Solution

The fourth proportional to 22,440.97, 30,957.15 and 17,126.56 is: 23,625.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,440.97 : 30,957.15 = 17,126.56 : x
  2. Step 2: Convert to fraction form
    22,440.97/30,957.15 = 17,126.56/x
  3. Step 3: Cross multiply
    22,440.97x = 30,957.15 × 17,126.56
  4. Step 4: Simplify right side
    22,440.97x = 530,189,486.90
  5. Step 5: Solve for x
    x = 530,189,486.90/22,440.97
  6. Step 6: Final answer
    x = 23,625.96

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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.