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Finding the Fourth Proportional to 67.39, 92.97 and 41.50

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Solution

The fourth proportional to 67.39, 92.97 and 41.50 is: 57.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67.39 : 92.97 = 41.50 : x
  2. Step 2: Convert to fraction form
    67.39/92.97 = 41.50/x
  3. Step 3: Cross multiply
    67.39x = 92.97 × 41.50
  4. Step 4: Simplify right side
    67.39x = 3,858.26
  5. Step 5: Solve for x
    x = 3,858.26/67.39
  6. Step 6: Final answer
    x = 57.25

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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.