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Finding the Fourth Proportional to 6,659.60, 9,982.74 and 3,362.72

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Solution

The fourth proportional to 6,659.60, 9,982.74 and 3,362.72 is: 5,040.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,659.60 : 9,982.74 = 3,362.72 : x
  2. Step 2: Convert to fraction form
    6,659.60/9,982.74 = 3,362.72/x
  3. Step 3: Cross multiply
    6,659.60x = 9,982.74 × 3,362.72
  4. Step 4: Simplify right side
    6,659.60x = 33,569,159.45
  5. Step 5: Solve for x
    x = 33,569,159.45/6,659.60
  6. Step 6: Final answer
    x = 5,040.72

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