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Finding the Fourth Proportional to 33.63, 50.41 and 11.95

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Solution

The fourth proportional to 33.63, 50.41 and 11.95 is: 17.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.63 : 50.41 = 11.95 : x
  2. Step 2: Convert to fraction form
    33.63/50.41 = 11.95/x
  3. Step 3: Cross multiply
    33.63x = 50.41 × 11.95
  4. Step 4: Simplify right side
    33.63x = 602.40
  5. Step 5: Solve for x
    x = 602.40/33.63
  6. Step 6: Final answer
    x = 17.91

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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.