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Finding the Fourth Proportional to 95.74, 143.61 and 23.60

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Solution

The fourth proportional to 95.74, 143.61 and 23.60 is: 35.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.74 : 143.61 = 23.60 : x
  2. Step 2: Convert to fraction form
    95.74/143.61 = 23.60/x
  3. Step 3: Cross multiply
    95.74x = 143.61 × 23.60
  4. Step 4: Simplify right side
    95.74x = 3,388.36
  5. Step 5: Solve for x
    x = 3,388.36/95.74
  6. Step 6: Final answer
    x = 35.39

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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.