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Finding the Fourth Proportional to 49.25, 73.88 and 35.82

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Solution

The fourth proportional to 49.25, 73.88 and 35.82 is: 53.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.25 : 73.88 = 35.82 : x
  2. Step 2: Convert to fraction form
    49.25/73.88 = 35.82/x
  3. Step 3: Cross multiply
    49.25x = 73.88 × 35.82
  4. Step 4: Simplify right side
    49.25x = 2,646.38
  5. Step 5: Solve for x
    x = 2,646.38/49.25
  6. Step 6: Final answer
    x = 53.73

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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.