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Finding the Fourth Proportional to 33,441.78, 50,163.36 and 9,751.11

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Solution

The fourth proportional to 33,441.78, 50,163.36 and 9,751.11 is: 14,626.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,441.78 : 50,163.36 = 9,751.11 : x
  2. Step 2: Convert to fraction form
    33,441.78/50,163.36 = 9,751.11/x
  3. Step 3: Cross multiply
    33,441.78x = 50,163.36 × 9,751.11
  4. Step 4: Simplify right side
    33,441.78x = 489,148,441.33
  5. Step 5: Solve for x
    x = 489,148,441.33/33,441.78
  6. Step 6: Final answer
    x = 14,626.87

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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.