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Finding the Fourth Proportional to 26,999.20, 40,481.20 and 24,234.40

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Solution

The fourth proportional to 26,999.20, 40,481.20 and 24,234.40 is: 36,335.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,999.20 : 40,481.20 = 24,234.40 : x
  2. Step 2: Convert to fraction form
    26,999.20/40,481.20 = 24,234.40/x
  3. Step 3: Cross multiply
    26,999.20x = 40,481.20 × 24,234.40
  4. Step 4: Simplify right side
    26,999.20x = 981,037,593.28
  5. Step 5: Solve for x
    x = 981,037,593.28/26,999.20
  6. Step 6: Final answer
    x = 36,335.80

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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.