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Finding the Fourth Proportional to 49.26, 68.00 and 34.73

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Solution

The fourth proportional to 49.26, 68.00 and 34.73 is: 47.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.26 : 68.00 = 34.73 : x
  2. Step 2: Convert to fraction form
    49.26/68.00 = 34.73/x
  3. Step 3: Cross multiply
    49.26x = 68.00 × 34.73
  4. Step 4: Simplify right side
    49.26x = 2,361.13
  5. Step 5: Solve for x
    x = 2,361.13/49.26
  6. Step 6: Final answer
    x = 47.93

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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.