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Finding the Fourth Proportional to 33,473.70, 50,176.80 and 12,400.20

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Solution

The fourth proportional to 33,473.70, 50,176.80 and 12,400.20 is: 18,587.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,473.70 : 50,176.80 = 12,400.20 : x
  2. Step 2: Convert to fraction form
    33,473.70/50,176.80 = 12,400.20/x
  3. Step 3: Cross multiply
    33,473.70x = 50,176.80 × 12,400.20
  4. Step 4: Simplify right side
    33,473.70x = 622,202,355.36
  5. Step 5: Solve for x
    x = 622,202,355.36/33,473.70
  6. Step 6: Final answer
    x = 18,587.80

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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.