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Finding the Fourth Proportional to 13,716, 20,537.28 and 10,800

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Solution

The fourth proportional to 13,716, 20,537.28 and 10,800 is: 16,171.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,716 : 20,537.28 = 10,800 : x
  2. Step 2: Convert to fraction form
    13,716/20,537.28 = 10,800/x
  3. Step 3: Cross multiply
    13,716x = 20,537.28 × 10,800
  4. Step 4: Simplify right side
    13,716x = 221,802,624
  5. Step 5: Solve for x
    x = 221,802,624/13,716
  6. Step 6: Final answer
    x = 16,171.09

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