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Finding the Fourth Proportional to 45,806.20, 68,747.70 and 22,452.60

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Solution

The fourth proportional to 45,806.20, 68,747.70 and 22,452.60 is: 33,697.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,806.20 : 68,747.70 = 22,452.60 : x
  2. Step 2: Convert to fraction form
    45,806.20/68,747.70 = 22,452.60/x
  3. Step 3: Cross multiply
    45,806.20x = 68,747.70 × 22,452.60
  4. Step 4: Simplify right side
    45,806.20x = 1,543,564,609.02
  5. Step 5: Solve for x
    x = 1,543,564,609.02/45,806.20
  6. Step 6: Final answer
    x = 33,697.72

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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.