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Finding the Fourth Proportional to 12,982.37, 19,459.52 and 5,182.61

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Solution

The fourth proportional to 12,982.37, 19,459.52 and 5,182.61 is: 7,768.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,982.37 : 19,459.52 = 5,182.61 : x
  2. Step 2: Convert to fraction form
    12,982.37/19,459.52 = 5,182.61/x
  3. Step 3: Cross multiply
    12,982.37x = 19,459.52 × 5,182.61
  4. Step 4: Simplify right side
    12,982.37x = 100,851,077.03
  5. Step 5: Solve for x
    x = 100,851,077.03/12,982.37
  6. Step 6: Final answer
    x = 7,768.31

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