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Finding the Fourth Proportional to 69.41, 95.74 and 44.82

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Solution

The fourth proportional to 69.41, 95.74 and 44.82 is: 61.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69.41 : 95.74 = 44.82 : x
  2. Step 2: Convert to fraction form
    69.41/95.74 = 44.82/x
  3. Step 3: Cross multiply
    69.41x = 95.74 × 44.82
  4. Step 4: Simplify right side
    69.41x = 4,291.07
  5. Step 5: Solve for x
    x = 4,291.07/69.41
  6. Step 6: Final answer
    x = 61.82

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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.