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Finding the Fourth Proportional to 33,481.34, 50,221.95 and 13,745.99

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Solution

The fourth proportional to 33,481.34, 50,221.95 and 13,745.99 is: 20,618.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,481.34 : 50,221.95 = 13,745.99 : x
  2. Step 2: Convert to fraction form
    33,481.34/50,221.95 = 13,745.99/x
  3. Step 3: Cross multiply
    33,481.34x = 50,221.95 × 13,745.99
  4. Step 4: Simplify right side
    33,481.34x = 690,350,171.37
  5. Step 5: Solve for x
    x = 690,350,171.37/33,481.34
  6. Step 6: Final answer
    x = 20,618.96

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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.