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Finding the Fourth Proportional to 28,800.25, 43,202.85 and 8,023.75

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Solution

The fourth proportional to 28,800.25, 43,202.85 and 8,023.75 is: 12,036.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,800.25 : 43,202.85 = 8,023.75 : x
  2. Step 2: Convert to fraction form
    28,800.25/43,202.85 = 8,023.75/x
  3. Step 3: Cross multiply
    28,800.25x = 43,202.85 × 8,023.75
  4. Step 4: Simplify right side
    28,800.25x = 346,648,867.69
  5. Step 5: Solve for x
    x = 346,648,867.69/28,800.25
  6. Step 6: Final answer
    x = 12,036.31

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