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Finding the Fourth Proportional to 27,099.20, 40,591.20 and 22,491.20

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Solution

The fourth proportional to 27,099.20, 40,591.20 and 22,491.20 is: 33,688.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,099.20 : 40,591.20 = 22,491.20 : x
  2. Step 2: Convert to fraction form
    27,099.20/40,591.20 = 22,491.20/x
  3. Step 3: Cross multiply
    27,099.20x = 40,591.20 × 22,491.20
  4. Step 4: Simplify right side
    27,099.20x = 912,944,797.44
  5. Step 5: Solve for x
    x = 912,944,797.44/27,099.20
  6. Step 6: Final answer
    x = 33,688.99

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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.