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Finding the Fourth Proportional to 27.76, 41.60 and 23.96

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Solution

The fourth proportional to 27.76, 41.60 and 23.96 is: 35.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.76 : 41.60 = 23.96 : x
  2. Step 2: Convert to fraction form
    27.76/41.60 = 23.96/x
  3. Step 3: Cross multiply
    27.76x = 41.60 × 23.96
  4. Step 4: Simplify right side
    27.76x = 996.74
  5. Step 5: Solve for x
    x = 996.74/27.76
  6. Step 6: Final answer
    x = 35.91

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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.