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Finding the Fourth Proportional to 33,608.97, 50,413.46 and 13,865.84

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Solution

The fourth proportional to 33,608.97, 50,413.46 and 13,865.84 is: 20,798.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,608.97 : 50,413.46 = 13,865.84 : x
  2. Step 2: Convert to fraction form
    33,608.97/50,413.46 = 13,865.84/x
  3. Step 3: Cross multiply
    33,608.97x = 50,413.46 × 13,865.84
  4. Step 4: Simplify right side
    33,608.97x = 699,024,752.80
  5. Step 5: Solve for x
    x = 699,024,752.80/33,608.97
  6. Step 6: Final answer
    x = 20,798.76

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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.