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Finding the Fourth Proportional to 41.04, 61.42 and 28.96

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Solution

The fourth proportional to 41.04, 61.42 and 28.96 is: 43.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.04 : 61.42 = 28.96 : x
  2. Step 2: Convert to fraction form
    41.04/61.42 = 28.96/x
  3. Step 3: Cross multiply
    41.04x = 61.42 × 28.96
  4. Step 4: Simplify right side
    41.04x = 1,778.72
  5. Step 5: Solve for x
    x = 1,778.72/41.04
  6. Step 6: Final answer
    x = 43.34

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