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Finding the Fourth Proportional to 33.62, 50.42 and 10.79

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Solution

The fourth proportional to 33.62, 50.42 and 10.79 is: 16.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.62 : 50.42 = 10.79 : x
  2. Step 2: Convert to fraction form
    33.62/50.42 = 10.79/x
  3. Step 3: Cross multiply
    33.62x = 50.42 × 10.79
  4. Step 4: Simplify right side
    33.62x = 544.00
  5. Step 5: Solve for x
    x = 544.00/33.62
  6. Step 6: Final answer
    x = 16.18

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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.