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Finding the Fourth Proportional to 5,258.70, 7,890.75 and 3,504.96

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Solution

The fourth proportional to 5,258.70, 7,890.75 and 3,504.96 is: 5,259.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258.70 : 7,890.75 = 3,504.96 : x
  2. Step 2: Convert to fraction form
    5,258.70/7,890.75 = 3,504.96/x
  3. Step 3: Cross multiply
    5,258.70x = 7,890.75 × 3,504.96
  4. Step 4: Simplify right side
    5,258.70x = 27,656,763.12
  5. Step 5: Solve for x
    x = 27,656,763.12/5,258.70
  6. Step 6: Final answer
    x = 5,259.24

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