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Finding the Fourth Proportional to 23,693.74, 35,452.92 and 18,999.40

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Solution

The fourth proportional to 23,693.74, 35,452.92 and 18,999.40 is: 28,428.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,693.74 : 35,452.92 = 18,999.40 : x
  2. Step 2: Convert to fraction form
    23,693.74/35,452.92 = 18,999.40/x
  3. Step 3: Cross multiply
    23,693.74x = 35,452.92 × 18,999.40
  4. Step 4: Simplify right side
    23,693.74x = 673,584,208.25
  5. Step 5: Solve for x
    x = 673,584,208.25/23,693.74
  6. Step 6: Final answer
    x = 28,428.78

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