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Finding the Fourth Proportional to 29.80, 44.74 and 16.98

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Solution

The fourth proportional to 29.80, 44.74 and 16.98 is: 25.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.80 : 44.74 = 16.98 : x
  2. Step 2: Convert to fraction form
    29.80/44.74 = 16.98/x
  3. Step 3: Cross multiply
    29.80x = 44.74 × 16.98
  4. Step 4: Simplify right side
    29.80x = 759.44
  5. Step 5: Solve for x
    x = 759.44/29.80
  6. Step 6: Final answer
    x = 25.48

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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.