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Finding the Fourth Proportional to 33.01, 49.42 and 17.76

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Solution

The fourth proportional to 33.01, 49.42 and 17.76 is: 26.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.01 : 49.42 = 17.76 : x
  2. Step 2: Convert to fraction form
    33.01/49.42 = 17.76/x
  3. Step 3: Cross multiply
    33.01x = 49.42 × 17.76
  4. Step 4: Simplify right side
    33.01x = 877.70
  5. Step 5: Solve for x
    x = 877.70/33.01
  6. Step 6: Final answer
    x = 26.59

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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.