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Finding the Fourth Proportional to 22,399.68, 33,600.84 and 5,759.88

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Solution

The fourth proportional to 22,399.68, 33,600.84 and 5,759.88 is: 8,640.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,399.68 : 33,600.84 = 5,759.88 : x
  2. Step 2: Convert to fraction form
    22,399.68/33,600.84 = 5,759.88/x
  3. Step 3: Cross multiply
    22,399.68x = 33,600.84 × 5,759.88
  4. Step 4: Simplify right side
    22,399.68x = 193,536,806.30
  5. Step 5: Solve for x
    x = 193,536,806.30/22,399.68
  6. Step 6: Final answer
    x = 8,640.16

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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.