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Finding the Fourth Proportional to 49.14, 67.73 and 35.33

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Solution

The fourth proportional to 49.14, 67.73 and 35.33 is: 48.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.14 : 67.73 = 35.33 : x
  2. Step 2: Convert to fraction form
    49.14/67.73 = 35.33/x
  3. Step 3: Cross multiply
    49.14x = 67.73 × 35.33
  4. Step 4: Simplify right side
    49.14x = 2,392.39
  5. Step 5: Solve for x
    x = 2,392.39/49.14
  6. Step 6: Final answer
    x = 48.69

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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.