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Finding the Fourth Proportional to 41,180, 61,793.36 and 18,993.39

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Solution

The fourth proportional to 41,180, 61,793.36 and 18,993.39 is: 28,500.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,180 : 61,793.36 = 18,993.39 : x
  2. Step 2: Convert to fraction form
    41,180/61,793.36 = 18,993.39/x
  3. Step 3: Cross multiply
    41,180x = 61,793.36 × 18,993.39
  4. Step 4: Simplify right side
    41,180x = 1,173,665,290.92
  5. Step 5: Solve for x
    x = 1,173,665,290.92/41,180
  6. Step 6: Final answer
    x = 28,500.86

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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.