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Finding the Fourth Proportional to 21,856.68, 32,786.46 and 6,274.44

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Solution

The fourth proportional to 21,856.68, 32,786.46 and 6,274.44 is: 9,412.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,856.68 : 32,786.46 = 6,274.44 : x
  2. Step 2: Convert to fraction form
    21,856.68/32,786.46 = 6,274.44/x
  3. Step 3: Cross multiply
    21,856.68x = 32,786.46 × 6,274.44
  4. Step 4: Simplify right side
    21,856.68x = 205,716,676.08
  5. Step 5: Solve for x
    x = 205,716,676.08/21,856.68
  6. Step 6: Final answer
    x = 9,412.07

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