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Finding the Fourth Proportional to 21,958.12, 32,942.58 and 6,375.88

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Solution

The fourth proportional to 21,958.12, 32,942.58 and 6,375.88 is: 9,565.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,958.12 : 32,942.58 = 6,375.88 : x
  2. Step 2: Convert to fraction form
    21,958.12/32,942.58 = 6,375.88/x
  3. Step 3: Cross multiply
    21,958.12x = 32,942.58 × 6,375.88
  4. Step 4: Simplify right side
    21,958.12x = 210,037,936.97
  5. Step 5: Solve for x
    x = 210,037,936.97/21,958.12
  6. Step 6: Final answer
    x = 9,565.39

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