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Finding the Fourth Proportional to 49.33, 67.96 and 36.98

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Solution

The fourth proportional to 49.33, 67.96 and 36.98 is: 50.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.33 : 67.96 = 36.98 : x
  2. Step 2: Convert to fraction form
    49.33/67.96 = 36.98/x
  3. Step 3: Cross multiply
    49.33x = 67.96 × 36.98
  4. Step 4: Simplify right side
    49.33x = 2,513.16
  5. Step 5: Solve for x
    x = 2,513.16/49.33
  6. Step 6: Final answer
    x = 50.95

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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.