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Finding the Fourth Proportional to 13,886.61, 20,834.10 and 6,495.36

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Solution

The fourth proportional to 13,886.61, 20,834.10 and 6,495.36 is: 9,745.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886.61 : 20,834.10 = 6,495.36 : x
  2. Step 2: Convert to fraction form
    13,886.61/20,834.10 = 6,495.36/x
  3. Step 3: Cross multiply
    13,886.61x = 20,834.10 × 6,495.36
  4. Step 4: Simplify right side
    13,886.61x = 135,324,979.78
  5. Step 5: Solve for x
    x = 135,324,979.78/13,886.61
  6. Step 6: Final answer
    x = 9,745.00

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