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Finding the Fourth Proportional to 29.96, 44.97 and 28.27

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Solution

The fourth proportional to 29.96, 44.97 and 28.27 is: 42.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.96 : 44.97 = 28.27 : x
  2. Step 2: Convert to fraction form
    29.96/44.97 = 28.27/x
  3. Step 3: Cross multiply
    29.96x = 44.97 × 28.27
  4. Step 4: Simplify right side
    29.96x = 1,271.30
  5. Step 5: Solve for x
    x = 1,271.30/29.96
  6. Step 6: Final answer
    x = 42.43

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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.