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Finding the Fourth Proportional to 13,682.92, 20,532.59 and 4,918.53

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Solution

The fourth proportional to 13,682.92, 20,532.59 and 4,918.53 is: 7,380.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,682.92 : 20,532.59 = 4,918.53 : x
  2. Step 2: Convert to fraction form
    13,682.92/20,532.59 = 4,918.53/x
  3. Step 3: Cross multiply
    13,682.92x = 20,532.59 × 4,918.53
  4. Step 4: Simplify right side
    13,682.92x = 100,990,159.89
  5. Step 5: Solve for x
    x = 100,990,159.89/13,682.92
  6. Step 6: Final answer
    x = 7,380.75

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