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Finding the Fourth Proportional to 63.41, 87.36 and 44.96

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Solution

The fourth proportional to 63.41, 87.36 and 44.96 is: 61.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.41 : 87.36 = 44.96 : x
  2. Step 2: Convert to fraction form
    63.41/87.36 = 44.96/x
  3. Step 3: Cross multiply
    63.41x = 87.36 × 44.96
  4. Step 4: Simplify right side
    63.41x = 3,927.71
  5. Step 5: Solve for x
    x = 3,927.71/63.41
  6. Step 6: Final answer
    x = 61.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.