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Finding the Fourth Proportional to 95.35, 131.62 and 58.56

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Solution

The fourth proportional to 95.35, 131.62 and 58.56 is: 80.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.35 : 131.62 = 58.56 : x
  2. Step 2: Convert to fraction form
    95.35/131.62 = 58.56/x
  3. Step 3: Cross multiply
    95.35x = 131.62 × 58.56
  4. Step 4: Simplify right side
    95.35x = 7,707.50
  5. Step 5: Solve for x
    x = 7,707.50/95.35
  6. Step 6: Final answer
    x = 80.83

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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.