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Finding the Fourth Proportional to 41,120.40, 61,680.60 and 14,827.80

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Solution

The fourth proportional to 41,120.40, 61,680.60 and 14,827.80 is: 22,241.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,120.40 : 61,680.60 = 14,827.80 : x
  2. Step 2: Convert to fraction form
    41,120.40/61,680.60 = 14,827.80/x
  3. Step 3: Cross multiply
    41,120.40x = 61,680.60 × 14,827.80
  4. Step 4: Simplify right side
    41,120.40x = 914,587,600.68
  5. Step 5: Solve for x
    x = 914,587,600.68/41,120.40
  6. Step 6: Final answer
    x = 22,241.70

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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.