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Finding the Fourth Proportional to 95.74, 143.61 and 34.83

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Solution

The fourth proportional to 95.74, 143.61 and 34.83 is: 52.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.74 : 143.61 = 34.83 : x
  2. Step 2: Convert to fraction form
    95.74/143.61 = 34.83/x
  3. Step 3: Cross multiply
    95.74x = 143.61 × 34.83
  4. Step 4: Simplify right side
    95.74x = 5,002.34
  5. Step 5: Solve for x
    x = 5,002.34/95.74
  6. Step 6: Final answer
    x = 52.25

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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.