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Finding the Fourth Proportional to 95.96, 132.41 and 64.83

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Solution

The fourth proportional to 95.96, 132.41 and 64.83 is: 89.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.96 : 132.41 = 64.83 : x
  2. Step 2: Convert to fraction form
    95.96/132.41 = 64.83/x
  3. Step 3: Cross multiply
    95.96x = 132.41 × 64.83
  4. Step 4: Simplify right side
    95.96x = 8,584.14
  5. Step 5: Solve for x
    x = 8,584.14/95.96
  6. Step 6: Final answer
    x = 89.46

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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.