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Finding the Fourth Proportional to 18,591.34, 27,897.24 and 8,061.44

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Solution

The fourth proportional to 18,591.34, 27,897.24 and 8,061.44 is: 12,096.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,591.34 : 27,897.24 = 8,061.44 : x
  2. Step 2: Convert to fraction form
    18,591.34/27,897.24 = 8,061.44/x
  3. Step 3: Cross multiply
    18,591.34x = 27,897.24 × 8,061.44
  4. Step 4: Simplify right side
    18,591.34x = 224,891,926.43
  5. Step 5: Solve for x
    x = 224,891,926.43/18,591.34
  6. Step 6: Final answer
    x = 12,096.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.