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Finding the Fourth Proportional to 26,793.20, 40,204.20 and 11,212.40

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Solution

The fourth proportional to 26,793.20, 40,204.20 and 11,212.40 is: 16,824.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,793.20 : 40,204.20 = 11,212.40 : x
  2. Step 2: Convert to fraction form
    26,793.20/40,204.20 = 11,212.40/x
  3. Step 3: Cross multiply
    26,793.20x = 40,204.20 × 11,212.40
  4. Step 4: Simplify right side
    26,793.20x = 450,785,572.08
  5. Step 5: Solve for x
    x = 450,785,572.08/26,793.20
  6. Step 6: Final answer
    x = 16,824.63

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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.