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Finding the Fourth Proportional to 69.93, 104.93 and 44.26

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Solution

The fourth proportional to 69.93, 104.93 and 44.26 is: 66.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69.93 : 104.93 = 44.26 : x
  2. Step 2: Convert to fraction form
    69.93/104.93 = 44.26/x
  3. Step 3: Cross multiply
    69.93x = 104.93 × 44.26
  4. Step 4: Simplify right side
    69.93x = 4,644.20
  5. Step 5: Solve for x
    x = 4,644.20/69.93
  6. Step 6: Final answer
    x = 66.41

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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.