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Finding the Fourth Proportional to 49.13, 67.75 and 32.73

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Solution

The fourth proportional to 49.13, 67.75 and 32.73 is: 45.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.13 : 67.75 = 32.73 : x
  2. Step 2: Convert to fraction form
    49.13/67.75 = 32.73/x
  3. Step 3: Cross multiply
    49.13x = 67.75 × 32.73
  4. Step 4: Simplify right side
    49.13x = 2,217.46
  5. Step 5: Solve for x
    x = 2,217.46/49.13
  6. Step 6: Final answer
    x = 45.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.