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Finding the Fourth Proportional to 95.35, 143 and 34.48

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Solution

The fourth proportional to 95.35, 143 and 34.48 is: 51.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.35 : 143 = 34.48 : x
  2. Step 2: Convert to fraction form
    95.35/143 = 34.48/x
  3. Step 3: Cross multiply
    95.35x = 143 × 34.48
  4. Step 4: Simplify right side
    95.35x = 4,930.64
  5. Step 5: Solve for x
    x = 4,930.64/95.35
  6. Step 6: Final answer
    x = 51.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.