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Finding the Fourth Proportional to 12,083.72, 16,637.65 and 10,976.56

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Solution

The fourth proportional to 12,083.72, 16,637.65 and 10,976.56 is: 15,113.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,083.72 : 16,637.65 = 10,976.56 : x
  2. Step 2: Convert to fraction form
    12,083.72/16,637.65 = 10,976.56/x
  3. Step 3: Cross multiply
    12,083.72x = 16,637.65 × 10,976.56
  4. Step 4: Simplify right side
    12,083.72x = 182,624,094.45
  5. Step 5: Solve for x
    x = 182,624,094.45/12,083.72
  6. Step 6: Final answer
    x = 15,113.24

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