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Finding the Fourth Proportional to 33,610.53, 50,398.79 and 18,815.48

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Solution

The fourth proportional to 33,610.53, 50,398.79 and 18,815.48 is: 28,213.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,610.53 : 50,398.79 = 18,815.48 : x
  2. Step 2: Convert to fraction form
    33,610.53/50,398.79 = 18,815.48/x
  3. Step 3: Cross multiply
    33,610.53x = 50,398.79 × 18,815.48
  4. Step 4: Simplify right side
    33,610.53x = 948,277,425.27
  5. Step 5: Solve for x
    x = 948,277,425.27/33,610.53
  6. Step 6: Final answer
    x = 28,213.70

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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.