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Finding the Fourth Proportional to 4,940.03, 7,402.41 and 3,290.60

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Solution

The fourth proportional to 4,940.03, 7,402.41 and 3,290.60 is: 4,930.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,940.03 : 7,402.41 = 3,290.60 : x
  2. Step 2: Convert to fraction form
    4,940.03/7,402.41 = 3,290.60/x
  3. Step 3: Cross multiply
    4,940.03x = 7,402.41 × 3,290.60
  4. Step 4: Simplify right side
    4,940.03x = 24,358,333.33
  5. Step 5: Solve for x
    x = 24,358,333.33/4,940.03
  6. Step 6: Final answer
    x = 4,930.81

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