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Finding the Fourth Proportional to 33.01, 49.42 and 23.31

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Solution

The fourth proportional to 33.01, 49.42 and 23.31 is: 34.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.01 : 49.42 = 23.31 : x
  2. Step 2: Convert to fraction form
    33.01/49.42 = 23.31/x
  3. Step 3: Cross multiply
    33.01x = 49.42 × 23.31
  4. Step 4: Simplify right side
    33.01x = 1,151.98
  5. Step 5: Solve for x
    x = 1,151.98/33.01
  6. Step 6: Final answer
    x = 34.90

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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.