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Finding the Fourth Proportional to 69.37, 95.68 and 52.97

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Solution

The fourth proportional to 69.37, 95.68 and 52.97 is: 73.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69.37 : 95.68 = 52.97 : x
  2. Step 2: Convert to fraction form
    69.37/95.68 = 52.97/x
  3. Step 3: Cross multiply
    69.37x = 95.68 × 52.97
  4. Step 4: Simplify right side
    69.37x = 5,067.56
  5. Step 5: Solve for x
    x = 5,067.56/69.37
  6. Step 6: Final answer
    x = 73.05

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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.