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Finding the Fourth Proportional to 22,494.49, 31,013.27 and 15,408.25

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Solution

The fourth proportional to 22,494.49, 31,013.27 and 15,408.25 is: 21,243.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,494.49 : 31,013.27 = 15,408.25 : x
  2. Step 2: Convert to fraction form
    22,494.49/31,013.27 = 15,408.25/x
  3. Step 3: Cross multiply
    22,494.49x = 31,013.27 × 15,408.25
  4. Step 4: Simplify right side
    22,494.49x = 477,860,217.48
  5. Step 5: Solve for x
    x = 477,860,217.48/22,494.49
  6. Step 6: Final answer
    x = 21,243.43

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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.