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Finding the Fourth Proportional to 33.55, 50.26 and 17.26

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Solution

The fourth proportional to 33.55, 50.26 and 17.26 is: 25.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.55 : 50.26 = 17.26 : x
  2. Step 2: Convert to fraction form
    33.55/50.26 = 17.26/x
  3. Step 3: Cross multiply
    33.55x = 50.26 × 17.26
  4. Step 4: Simplify right side
    33.55x = 867.24
  5. Step 5: Solve for x
    x = 867.24/33.55
  6. Step 6: Final answer
    x = 25.85

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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.