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Finding the Fourth Proportional to 33,481.41, 50,220.49 and 12,425.56

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Solution

The fourth proportional to 33,481.41, 50,220.49 and 12,425.56 is: 18,637.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,481.41 : 50,220.49 = 12,425.56 : x
  2. Step 2: Convert to fraction form
    33,481.41/50,220.49 = 12,425.56/x
  3. Step 3: Cross multiply
    33,481.41x = 50,220.49 × 12,425.56
  4. Step 4: Simplify right side
    33,481.41x = 624,017,560.20
  5. Step 5: Solve for x
    x = 624,017,560.20/33,481.41
  6. Step 6: Final answer
    x = 18,637.73

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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.