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Finding the Fourth Proportional to 5,015.23, 6,920.08 and 2,890.46

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Solution

The fourth proportional to 5,015.23, 6,920.08 and 2,890.46 is: 3,988.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.23 : 6,920.08 = 2,890.46 : x
  2. Step 2: Convert to fraction form
    5,015.23/6,920.08 = 2,890.46/x
  3. Step 3: Cross multiply
    5,015.23x = 6,920.08 × 2,890.46
  4. Step 4: Simplify right side
    5,015.23x = 20,002,172.61
  5. Step 5: Solve for x
    x = 20,002,172.61/5,015.23
  6. Step 6: Final answer
    x = 3,988.29

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