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Finding the Fourth Proportional to 33,493.16, 50,248.11 and 12,439.20

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Solution

The fourth proportional to 33,493.16, 50,248.11 and 12,439.20 is: 18,661.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,493.16 : 50,248.11 = 12,439.20 : x
  2. Step 2: Convert to fraction form
    33,493.16/50,248.11 = 12,439.20/x
  3. Step 3: Cross multiply
    33,493.16x = 50,248.11 × 12,439.20
  4. Step 4: Simplify right side
    33,493.16x = 625,046,524.99
  5. Step 5: Solve for x
    x = 625,046,524.99/33,493.16
  6. Step 6: Final answer
    x = 18,661.91

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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.