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Finding the Fourth Proportional to 3,503.53, 5,246.16 and 3,399.64

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Solution

The fourth proportional to 3,503.53, 5,246.16 and 3,399.64 is: 5,090.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503.53 : 5,246.16 = 3,399.64 : x
  2. Step 2: Convert to fraction form
    3,503.53/5,246.16 = 3,399.64/x
  3. Step 3: Cross multiply
    3,503.53x = 5,246.16 × 3,399.64
  4. Step 4: Simplify right side
    3,503.53x = 17,835,055.38
  5. Step 5: Solve for x
    x = 17,835,055.38/3,503.53
  6. Step 6: Final answer
    x = 5,090.60

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