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Finding the Fourth Proportional to 19.56, 29.24 and 14.44

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Solution

The fourth proportional to 19.56, 29.24 and 14.44 is: 21.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19.56 : 29.24 = 14.44 : x
  2. Step 2: Convert to fraction form
    19.56/29.24 = 14.44/x
  3. Step 3: Cross multiply
    19.56x = 29.24 × 14.44
  4. Step 4: Simplify right side
    19.56x = 422.23
  5. Step 5: Solve for x
    x = 422.23/19.56
  6. Step 6: Final answer
    x = 21.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.