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Finding the Fourth Proportional to 27.62, 41.46 and 23.84

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Solution

The fourth proportional to 27.62, 41.46 and 23.84 is: 35.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.62 : 41.46 = 23.84 : x
  2. Step 2: Convert to fraction form
    27.62/41.46 = 23.84/x
  3. Step 3: Cross multiply
    27.62x = 41.46 × 23.84
  4. Step 4: Simplify right side
    27.62x = 988.41
  5. Step 5: Solve for x
    x = 988.41/27.62
  6. Step 6: Final answer
    x = 35.79

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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.