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Finding the Fourth Proportional to 8,936.96, 13,405.44 and 3,674.84

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Solution

The fourth proportional to 8,936.96, 13,405.44 and 3,674.84 is: 5,512.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.96 : 13,405.44 = 3,674.84 : x
  2. Step 2: Convert to fraction form
    8,936.96/13,405.44 = 3,674.84/x
  3. Step 3: Cross multiply
    8,936.96x = 13,405.44 × 3,674.84
  4. Step 4: Simplify right side
    8,936.96x = 49,262,847.13
  5. Step 5: Solve for x
    x = 49,262,847.13/8,936.96
  6. Step 6: Final answer
    x = 5,512.26

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