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Finding the Fourth Proportional to 49.01, 67.50 and 34.43

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Solution

The fourth proportional to 49.01, 67.50 and 34.43 is: 47.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.01 : 67.50 = 34.43 : x
  2. Step 2: Convert to fraction form
    49.01/67.50 = 34.43/x
  3. Step 3: Cross multiply
    49.01x = 67.50 × 34.43
  4. Step 4: Simplify right side
    49.01x = 2,323.69
  5. Step 5: Solve for x
    x = 2,323.69/49.01
  6. Step 6: Final answer
    x = 47.42

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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.