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Finding the Fourth Proportional to 95.67, 132 and 56.32

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Solution

The fourth proportional to 95.67, 132 and 56.32 is: 77.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.67 : 132 = 56.32 : x
  2. Step 2: Convert to fraction form
    95.67/132 = 56.32/x
  3. Step 3: Cross multiply
    95.67x = 132 × 56.32
  4. Step 4: Simplify right side
    95.67x = 7,433.91
  5. Step 5: Solve for x
    x = 7,433.91/95.67
  6. Step 6: Final answer
    x = 77.70

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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.