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Finding the Fourth Proportional to 7,321.98, 10,982.31 and 2,056.56

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Solution

The fourth proportional to 7,321.98, 10,982.31 and 2,056.56 is: 3,084.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,321.98 : 10,982.31 = 2,056.56 : x
  2. Step 2: Convert to fraction form
    7,321.98/10,982.31 = 2,056.56/x
  3. Step 3: Cross multiply
    7,321.98x = 10,982.31 × 2,056.56
  4. Step 4: Simplify right side
    7,321.98x = 22,585,779.45
  5. Step 5: Solve for x
    x = 22,585,779.45/7,321.98
  6. Step 6: Final answer
    x = 3,084.65

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