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Finding the Fourth Proportional to 9,866.62, 14,799.81 and 2,940.58

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Solution

The fourth proportional to 9,866.62, 14,799.81 and 2,940.58 is: 4,410.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,866.62 : 14,799.81 = 2,940.58 : x
  2. Step 2: Convert to fraction form
    9,866.62/14,799.81 = 2,940.58/x
  3. Step 3: Cross multiply
    9,866.62x = 14,799.81 × 2,940.58
  4. Step 4: Simplify right side
    9,866.62x = 43,520,025.29
  5. Step 5: Solve for x
    x = 43,520,025.29/9,866.62
  6. Step 6: Final answer
    x = 4,410.83

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