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Finding the Fourth Proportional to 17,751.92, 26,637.60 and 11,913.44

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Solution

The fourth proportional to 17,751.92, 26,637.60 and 11,913.44 is: 17,876.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,751.92 : 26,637.60 = 11,913.44 : x
  2. Step 2: Convert to fraction form
    17,751.92/26,637.60 = 11,913.44/x
  3. Step 3: Cross multiply
    17,751.92x = 26,637.60 × 11,913.44
  4. Step 4: Simplify right side
    17,751.92x = 317,345,449.34
  5. Step 5: Solve for x
    x = 317,345,449.34/17,751.92
  6. Step 6: Final answer
    x = 17,876.68

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