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Finding the Fourth Proportional to 29.98, 44.97 and 13.94

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Solution

The fourth proportional to 29.98, 44.97 and 13.94 is: 20.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.98 : 44.97 = 13.94 : x
  2. Step 2: Convert to fraction form
    29.98/44.97 = 13.94/x
  3. Step 3: Cross multiply
    29.98x = 44.97 × 13.94
  4. Step 4: Simplify right side
    29.98x = 626.88
  5. Step 5: Solve for x
    x = 626.88/29.98
  6. Step 6: Final answer
    x = 20.91

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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.