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Finding the Fourth Proportional to 49.62, 74.37 and 33.54

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Solution

The fourth proportional to 49.62, 74.37 and 33.54 is: 50.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.62 : 74.37 = 33.54 : x
  2. Step 2: Convert to fraction form
    49.62/74.37 = 33.54/x
  3. Step 3: Cross multiply
    49.62x = 74.37 × 33.54
  4. Step 4: Simplify right side
    49.62x = 2,494.37
  5. Step 5: Solve for x
    x = 2,494.37/49.62
  6. Step 6: Final answer
    x = 50.27

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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.