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Finding the Fourth Proportional to 29.92, 44.92 and 15.68

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Solution

The fourth proportional to 29.92, 44.92 and 15.68 is: 23.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.92 : 44.92 = 15.68 : x
  2. Step 2: Convert to fraction form
    29.92/44.92 = 15.68/x
  3. Step 3: Cross multiply
    29.92x = 44.92 × 15.68
  4. Step 4: Simplify right side
    29.92x = 704.35
  5. Step 5: Solve for x
    x = 704.35/29.92
  6. Step 6: Final answer
    x = 23.54

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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.