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Finding the Fourth Proportional to 41,191.92, 61,705.44 and 18,974.88

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Solution

The fourth proportional to 41,191.92, 61,705.44 and 18,974.88 is: 28,424.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,191.92 : 61,705.44 = 18,974.88 : x
  2. Step 2: Convert to fraction form
    41,191.92/61,705.44 = 18,974.88/x
  3. Step 3: Cross multiply
    41,191.92x = 61,705.44 × 18,974.88
  4. Step 4: Simplify right side
    41,191.92x = 1,170,853,319.35
  5. Step 5: Solve for x
    x = 1,170,853,319.35/41,191.92
  6. Step 6: Final answer
    x = 28,424.34

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1.5x scale

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.