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Finding the Fourth Proportional to 95.46, 131.77 and 58.62

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Solution

The fourth proportional to 95.46, 131.77 and 58.62 is: 80.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.46 : 131.77 = 58.62 : x
  2. Step 2: Convert to fraction form
    95.46/131.77 = 58.62/x
  3. Step 3: Cross multiply
    95.46x = 131.77 × 58.62
  4. Step 4: Simplify right side
    95.46x = 7,724.36
  5. Step 5: Solve for x
    x = 7,724.36/95.46
  6. Step 6: Final answer
    x = 80.92

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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.