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Finding the Fourth Proportional to 33,414.80, 50,126.81 and 11,229.90

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Solution

The fourth proportional to 33,414.80, 50,126.81 and 11,229.90 is: 16,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,414.80 : 50,126.81 = 11,229.90 : x
  2. Step 2: Convert to fraction form
    33,414.80/50,126.81 = 11,229.90/x
  3. Step 3: Cross multiply
    33,414.80x = 50,126.81 × 11,229.90
  4. Step 4: Simplify right side
    33,414.80x = 562,918,976.65
  5. Step 5: Solve for x
    x = 562,918,976.65/33,414.80
  6. Step 6: Final answer
    x = 16,846.40

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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.