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Finding the Fourth Proportional to 33.46, 50.12 and 26.66

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Solution

The fourth proportional to 33.46, 50.12 and 26.66 is: 39.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.46 : 50.12 = 26.66 : x
  2. Step 2: Convert to fraction form
    33.46/50.12 = 26.66/x
  3. Step 3: Cross multiply
    33.46x = 50.12 × 26.66
  4. Step 4: Simplify right side
    33.46x = 1,336.20
  5. Step 5: Solve for x
    x = 1,336.20/33.46
  6. Step 6: Final answer
    x = 39.93

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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.