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Finding the Fourth Proportional to 26,991.20, 40,469.20 and 24,226.40

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Solution

The fourth proportional to 26,991.20, 40,469.20 and 24,226.40 is: 36,323.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,991.20 : 40,469.20 = 24,226.40 : x
  2. Step 2: Convert to fraction form
    26,991.20/40,469.20 = 24,226.40/x
  3. Step 3: Cross multiply
    26,991.20x = 40,469.20 × 24,226.40
  4. Step 4: Simplify right side
    26,991.20x = 980,423,026.88
  5. Step 5: Solve for x
    x = 980,423,026.88/26,991.20
  6. Step 6: Final answer
    x = 36,323.80

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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.