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Finding the Fourth Proportional to 13,696.02, 18,900.51 and 7,727.74

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Solution

The fourth proportional to 13,696.02, 18,900.51 and 7,727.74 is: 10,664.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,696.02 : 18,900.51 = 7,727.74 : x
  2. Step 2: Convert to fraction form
    13,696.02/18,900.51 = 7,727.74/x
  3. Step 3: Cross multiply
    13,696.02x = 18,900.51 × 7,727.74
  4. Step 4: Simplify right side
    13,696.02x = 146,058,227.15
  5. Step 5: Solve for x
    x = 146,058,227.15/13,696.02
  6. Step 6: Final answer
    x = 10,664.28

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