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Finding the Fourth Proportional to 49.25, 73.81 and 34

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Solution

The fourth proportional to 49.25, 73.81 and 34 is: 50.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.25 : 73.81 = 34 : x
  2. Step 2: Convert to fraction form
    49.25/73.81 = 34/x
  3. Step 3: Cross multiply
    49.25x = 73.81 × 34
  4. Step 4: Simplify right side
    49.25x = 2,509.54
  5. Step 5: Solve for x
    x = 2,509.54/49.25
  6. Step 6: Final answer
    x = 50.96

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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.