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Finding the Fourth Proportional to 41,793.60, 62,704.80 and 18,436.80

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Solution

The fourth proportional to 41,793.60, 62,704.80 and 18,436.80 is: 27,661.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,793.60 : 62,704.80 = 18,436.80 : x
  2. Step 2: Convert to fraction form
    41,793.60/62,704.80 = 18,436.80/x
  3. Step 3: Cross multiply
    41,793.60x = 62,704.80 × 18,436.80
  4. Step 4: Simplify right side
    41,793.60x = 1,156,075,856.64
  5. Step 5: Solve for x
    x = 1,156,075,856.64/41,793.60
  6. Step 6: Final answer
    x = 27,661.55

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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.