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Finding the Fourth Proportional to 3,323.03, 4,984.55 and 3,120.05

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Solution

The fourth proportional to 3,323.03, 4,984.55 and 3,120.05 is: 4,680.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,323.03 : 4,984.55 = 3,120.05 : x
  2. Step 2: Convert to fraction form
    3,323.03/4,984.55 = 3,120.05/x
  3. Step 3: Cross multiply
    3,323.03x = 4,984.55 × 3,120.05
  4. Step 4: Simplify right side
    3,323.03x = 15,552,004.70
  5. Step 5: Solve for x
    x = 15,552,004.70/3,323.03
  6. Step 6: Final answer
    x = 4,680.07

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