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Finding the Fourth Proportional to 33.25, 49.88 and 16.13

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Solution

The fourth proportional to 33.25, 49.88 and 16.13 is: 24.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.25 : 49.88 = 16.13 : x
  2. Step 2: Convert to fraction form
    33.25/49.88 = 16.13/x
  3. Step 3: Cross multiply
    33.25x = 49.88 × 16.13
  4. Step 4: Simplify right side
    33.25x = 804.56
  5. Step 5: Solve for x
    x = 804.56/33.25
  6. Step 6: Final answer
    x = 24.20

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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.