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Finding the Fourth Proportional to 33,980.43, 50,955.30 and 10,278.84

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Solution

The fourth proportional to 33,980.43, 50,955.30 and 10,278.84 is: 15,413.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,980.43 : 50,955.30 = 10,278.84 : x
  2. Step 2: Convert to fraction form
    33,980.43/50,955.30 = 10,278.84/x
  3. Step 3: Cross multiply
    33,980.43x = 50,955.30 × 10,278.84
  4. Step 4: Simplify right side
    33,980.43x = 523,761,375.85
  5. Step 5: Solve for x
    x = 523,761,375.85/33,980.43
  6. Step 6: Final answer
    x = 15,413.62

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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.