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Finding the Fourth Proportional to 7,551.44, 11,325.64 and 2,621.28

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Solution

The fourth proportional to 7,551.44, 11,325.64 and 2,621.28 is: 3,931.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,551.44 : 11,325.64 = 2,621.28 : x
  2. Step 2: Convert to fraction form
    7,551.44/11,325.64 = 2,621.28/x
  3. Step 3: Cross multiply
    7,551.44x = 11,325.64 × 2,621.28
  4. Step 4: Simplify right side
    7,551.44x = 29,687,673.62
  5. Step 5: Solve for x
    x = 29,687,673.62/7,551.44
  6. Step 6: Final answer
    x = 3,931.39

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