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Finding the Fourth Proportional to 72.72, 109.06 and 24.62

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Solution

The fourth proportional to 72.72, 109.06 and 24.62 is: 36.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    72.72 : 109.06 = 24.62 : x
  2. Step 2: Convert to fraction form
    72.72/109.06 = 24.62/x
  3. Step 3: Cross multiply
    72.72x = 109.06 × 24.62
  4. Step 4: Simplify right side
    72.72x = 2,684.45
  5. Step 5: Solve for x
    x = 2,684.45/72.72
  6. Step 6: Final answer
    x = 36.91

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