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Finding the Fourth Proportional to 8,703.62, 13,053.21 and 3,365.72

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Solution

The fourth proportional to 8,703.62, 13,053.21 and 3,365.72 is: 5,047.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,703.62 : 13,053.21 = 3,365.72 : x
  2. Step 2: Convert to fraction form
    8,703.62/13,053.21 = 3,365.72/x
  3. Step 3: Cross multiply
    8,703.62x = 13,053.21 × 3,365.72
  4. Step 4: Simplify right side
    8,703.62x = 43,933,469.97
  5. Step 5: Solve for x
    x = 43,933,469.97/8,703.62
  6. Step 6: Final answer
    x = 5,047.72

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