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Finding the Fourth Proportional to 95.87, 132.35 and 62.69

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Solution

The fourth proportional to 95.87, 132.35 and 62.69 is: 86.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.87 : 132.35 = 62.69 : x
  2. Step 2: Convert to fraction form
    95.87/132.35 = 62.69/x
  3. Step 3: Cross multiply
    95.87x = 132.35 × 62.69
  4. Step 4: Simplify right side
    95.87x = 8,296.05
  5. Step 5: Solve for x
    x = 8,296.05/95.87
  6. Step 6: Final answer
    x = 86.54

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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.