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Finding the Fourth Proportional to 41.32, 61.96 and 14.25

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Solution

The fourth proportional to 41.32, 61.96 and 14.25 is: 21.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.32 : 61.96 = 14.25 : x
  2. Step 2: Convert to fraction form
    41.32/61.96 = 14.25/x
  3. Step 3: Cross multiply
    41.32x = 61.96 × 14.25
  4. Step 4: Simplify right side
    41.32x = 882.93
  5. Step 5: Solve for x
    x = 882.93/41.32
  6. Step 6: Final answer
    x = 21.37

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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.