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Finding the Fourth Proportional to 33.14, 49.68 and 11.75

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Solution

The fourth proportional to 33.14, 49.68 and 11.75 is: 17.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.14 : 49.68 = 11.75 : x
  2. Step 2: Convert to fraction form
    33.14/49.68 = 11.75/x
  3. Step 3: Cross multiply
    33.14x = 49.68 × 11.75
  4. Step 4: Simplify right side
    33.14x = 583.74
  5. Step 5: Solve for x
    x = 583.74/33.14
  6. Step 6: Final answer
    x = 17.61

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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.