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Finding the Fourth Proportional to 5,980.85, 8,972.24 and 3,642.58

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Solution

The fourth proportional to 5,980.85, 8,972.24 and 3,642.58 is: 5,464.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,980.85 : 8,972.24 = 3,642.58 : x
  2. Step 2: Convert to fraction form
    5,980.85/8,972.24 = 3,642.58/x
  3. Step 3: Cross multiply
    5,980.85x = 8,972.24 × 3,642.58
  4. Step 4: Simplify right side
    5,980.85x = 32,682,094.98
  5. Step 5: Solve for x
    x = 32,682,094.98/5,980.85
  6. Step 6: Final answer
    x = 5,464.46

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