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Finding the Fourth Proportional to 33.30, 49.92 and 17.25

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Solution

The fourth proportional to 33.30, 49.92 and 17.25 is: 25.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.30 : 49.92 = 17.25 : x
  2. Step 2: Convert to fraction form
    33.30/49.92 = 17.25/x
  3. Step 3: Cross multiply
    33.30x = 49.92 × 17.25
  4. Step 4: Simplify right side
    33.30x = 861.12
  5. Step 5: Solve for x
    x = 861.12/33.30
  6. Step 6: Final answer
    x = 25.86

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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.