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Finding the Fourth Proportional to 2,799.32, 4,195.30 and 2,100.48

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Solution

The fourth proportional to 2,799.32, 4,195.30 and 2,100.48 is: 3,147.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.32 : 4,195.30 = 2,100.48 : x
  2. Step 2: Convert to fraction form
    2,799.32/4,195.30 = 2,100.48/x
  3. Step 3: Cross multiply
    2,799.32x = 4,195.30 × 2,100.48
  4. Step 4: Simplify right side
    2,799.32x = 8,812,143.74
  5. Step 5: Solve for x
    x = 8,812,143.74/2,799.32
  6. Step 6: Final answer
    x = 3,147.96

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