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Finding the Fourth Proportional to 29.98, 44.96 and 21.44

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Solution

The fourth proportional to 29.98, 44.96 and 21.44 is: 32.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.98 : 44.96 = 21.44 : x
  2. Step 2: Convert to fraction form
    29.98/44.96 = 21.44/x
  3. Step 3: Cross multiply
    29.98x = 44.96 × 21.44
  4. Step 4: Simplify right side
    29.98x = 963.94
  5. Step 5: Solve for x
    x = 963.94/29.98
  6. Step 6: Final answer
    x = 32.15

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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.