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Finding the Fourth Proportional to 22,134.62, 30,519.18 and 18,086.49

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Solution

The fourth proportional to 22,134.62, 30,519.18 and 18,086.49 is: 24,937.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,134.62 : 30,519.18 = 18,086.49 : x
  2. Step 2: Convert to fraction form
    22,134.62/30,519.18 = 18,086.49/x
  3. Step 3: Cross multiply
    22,134.62x = 30,519.18 × 18,086.49
  4. Step 4: Simplify right side
    22,134.62x = 551,984,843.88
  5. Step 5: Solve for x
    x = 551,984,843.88/22,134.62
  6. Step 6: Final answer
    x = 24,937.63

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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.