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Finding the Fourth Proportional to 49.73, 74.50 and 25.33

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Solution

The fourth proportional to 49.73, 74.50 and 25.33 is: 37.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.73 : 74.50 = 25.33 : x
  2. Step 2: Convert to fraction form
    49.73/74.50 = 25.33/x
  3. Step 3: Cross multiply
    49.73x = 74.50 × 25.33
  4. Step 4: Simplify right side
    49.73x = 1,886.78
  5. Step 5: Solve for x
    x = 1,886.78/49.73
  6. Step 6: Final answer
    x = 37.94

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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.