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Finding the Fourth Proportional to 69.41, 104.01 and 42.32

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Solution

The fourth proportional to 69.41, 104.01 and 42.32 is: 63.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69.41 : 104.01 = 42.32 : x
  2. Step 2: Convert to fraction form
    69.41/104.01 = 42.32/x
  3. Step 3: Cross multiply
    69.41x = 104.01 × 42.32
  4. Step 4: Simplify right side
    69.41x = 4,401.18
  5. Step 5: Solve for x
    x = 4,401.18/69.41
  6. Step 6: Final answer
    x = 63.41

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.