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Finding the Fourth Proportional to 33.01, 49.52 and 18.59

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Solution

The fourth proportional to 33.01, 49.52 and 18.59 is: 27.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.01 : 49.52 = 18.59 : x
  2. Step 2: Convert to fraction form
    33.01/49.52 = 18.59/x
  3. Step 3: Cross multiply
    33.01x = 49.52 × 18.59
  4. Step 4: Simplify right side
    33.01x = 920.38
  5. Step 5: Solve for x
    x = 920.38/33.01
  6. Step 6: Final answer
    x = 27.88

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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.