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Finding the Fourth Proportional to 95.69, 132 and 58.86

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Solution

The fourth proportional to 95.69, 132 and 58.86 is: 81.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.69 : 132 = 58.86 : x
  2. Step 2: Convert to fraction form
    95.69/132 = 58.86/x
  3. Step 3: Cross multiply
    95.69x = 132 × 58.86
  4. Step 4: Simplify right side
    95.69x = 7,769.52
  5. Step 5: Solve for x
    x = 7,769.52/95.69
  6. Step 6: Final answer
    x = 81.20

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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.