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Finding the Fourth Proportional to 95.93, 143.90 and 23.79

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Solution

The fourth proportional to 95.93, 143.90 and 23.79 is: 35.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.93 : 143.90 = 23.79 : x
  2. Step 2: Convert to fraction form
    95.93/143.90 = 23.79/x
  3. Step 3: Cross multiply
    95.93x = 143.90 × 23.79
  4. Step 4: Simplify right side
    95.93x = 3,423.26
  5. Step 5: Solve for x
    x = 3,423.26/95.93
  6. Step 6: Final answer
    x = 35.69

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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.