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Finding the Fourth Proportional to 33,842.53, 50,753.89 and 10,149.12

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Solution

The fourth proportional to 33,842.53, 50,753.89 and 10,149.12 is: 15,220.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,842.53 : 50,753.89 = 10,149.12 : x
  2. Step 2: Convert to fraction form
    33,842.53/50,753.89 = 10,149.12/x
  3. Step 3: Cross multiply
    33,842.53x = 50,753.89 × 10,149.12
  4. Step 4: Simplify right side
    33,842.53x = 515,107,475.51
  5. Step 5: Solve for x
    x = 515,107,475.51/33,842.53
  6. Step 6: Final answer
    x = 15,220.71

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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.