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Finding the Fourth Proportional to 11,631.52, 16,051.92 and 6,664.48

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Solution

The fourth proportional to 11,631.52, 16,051.92 and 6,664.48 is: 9,197.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,631.52 : 16,051.92 = 6,664.48 : x
  2. Step 2: Convert to fraction form
    11,631.52/16,051.92 = 6,664.48/x
  3. Step 3: Cross multiply
    11,631.52x = 16,051.92 × 6,664.48
  4. Step 4: Simplify right side
    11,631.52x = 106,977,699.80
  5. Step 5: Solve for x
    x = 106,977,699.80/11,631.52
  6. Step 6: Final answer
    x = 9,197.22

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