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Finding the Fourth Proportional to 33,910.38, 50,853.42 and 11,718

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Solution

The fourth proportional to 33,910.38, 50,853.42 and 11,718 is: 17,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,910.38 : 50,853.42 = 11,718 : x
  2. Step 2: Convert to fraction form
    33,910.38/50,853.42 = 11,718/x
  3. Step 3: Cross multiply
    33,910.38x = 50,853.42 × 11,718
  4. Step 4: Simplify right side
    33,910.38x = 595,900,375.56
  5. Step 5: Solve for x
    x = 595,900,375.56/33,910.38
  6. Step 6: Final answer
    x = 17,572.80

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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.