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Finding the Fourth Proportional to 95.98, 132.45 and 52.32

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Solution

The fourth proportional to 95.98, 132.45 and 52.32 is: 72.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.98 : 132.45 = 52.32 : x
  2. Step 2: Convert to fraction form
    95.98/132.45 = 52.32/x
  3. Step 3: Cross multiply
    95.98x = 132.45 × 52.32
  4. Step 4: Simplify right side
    95.98x = 6,929.78
  5. Step 5: Solve for x
    x = 6,929.78/95.98
  6. Step 6: Final answer
    x = 72.20

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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.