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Finding the Fourth Proportional to 95.87, 143.81 and 23.73

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Solution

The fourth proportional to 95.87, 143.81 and 23.73 is: 35.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.87 : 143.81 = 23.73 : x
  2. Step 2: Convert to fraction form
    95.87/143.81 = 23.73/x
  3. Step 3: Cross multiply
    95.87x = 143.81 × 23.73
  4. Step 4: Simplify right side
    95.87x = 3,412.60
  5. Step 5: Solve for x
    x = 3,412.60/95.87
  6. Step 6: Final answer
    x = 35.60

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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.