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Finding the Fourth Proportional to 33.06, 49.49 and 23.39

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Solution

The fourth proportional to 33.06, 49.49 and 23.39 is: 35.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.06 : 49.49 = 23.39 : x
  2. Step 2: Convert to fraction form
    33.06/49.49 = 23.39/x
  3. Step 3: Cross multiply
    33.06x = 49.49 × 23.39
  4. Step 4: Simplify right side
    33.06x = 1,157.38
  5. Step 5: Solve for x
    x = 1,157.38/33.06
  6. Step 6: Final answer
    x = 35.01

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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.