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Finding the Fourth Proportional to 22,374.78, 33,561.90 and 5,734.68

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Solution

The fourth proportional to 22,374.78, 33,561.90 and 5,734.68 is: 8,601.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,374.78 : 33,561.90 = 5,734.68 : x
  2. Step 2: Convert to fraction form
    22,374.78/33,561.90 = 5,734.68/x
  3. Step 3: Cross multiply
    22,374.78x = 33,561.90 × 5,734.68
  4. Step 4: Simplify right side
    22,374.78x = 192,466,756.69
  5. Step 5: Solve for x
    x = 192,466,756.69/22,374.78
  6. Step 6: Final answer
    x = 8,601.95

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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.