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Finding the Fourth Proportional to 5,199.90, 7,802.92 and 2,734.91

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Solution

The fourth proportional to 5,199.90, 7,802.92 and 2,734.91 is: 4,103.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.90 : 7,802.92 = 2,734.91 : x
  2. Step 2: Convert to fraction form
    5,199.90/7,802.92 = 2,734.91/x
  3. Step 3: Cross multiply
    5,199.90x = 7,802.92 × 2,734.91
  4. Step 4: Simplify right side
    5,199.90x = 21,340,283.94
  5. Step 5: Solve for x
    x = 21,340,283.94/5,199.90
  6. Step 6: Final answer
    x = 4,103.98

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