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Finding the Fourth Proportional to 41,596.80, 62,372.35 and 20,490.40

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Solution

The fourth proportional to 41,596.80, 62,372.35 and 20,490.40 is: 30,724.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,596.80 : 62,372.35 = 20,490.40 : x
  2. Step 2: Convert to fraction form
    41,596.80/62,372.35 = 20,490.40/x
  3. Step 3: Cross multiply
    41,596.80x = 62,372.35 × 20,490.40
  4. Step 4: Simplify right side
    41,596.80x = 1,278,034,400.44
  5. Step 5: Solve for x
    x = 1,278,034,400.44/41,596.80
  6. Step 6: Final answer
    x = 30,724.34

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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.