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Finding the Fourth Proportional to 33.41, 50.13 and 11.75

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Solution

The fourth proportional to 33.41, 50.13 and 11.75 is: 17.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.41 : 50.13 = 11.75 : x
  2. Step 2: Convert to fraction form
    33.41/50.13 = 11.75/x
  3. Step 3: Cross multiply
    33.41x = 50.13 × 11.75
  4. Step 4: Simplify right side
    33.41x = 589.15
  5. Step 5: Solve for x
    x = 589.15/33.41
  6. Step 6: Final answer
    x = 17.63

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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.