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Finding the Fourth Proportional to 5,712.16, 8,571.48 and 2,424.91

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Solution

The fourth proportional to 5,712.16, 8,571.48 and 2,424.91 is: 3,638.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.16 : 8,571.48 = 2,424.91 : x
  2. Step 2: Convert to fraction form
    5,712.16/8,571.48 = 2,424.91/x
  3. Step 3: Cross multiply
    5,712.16x = 8,571.48 × 2,424.91
  4. Step 4: Simplify right side
    5,712.16x = 20,785,067.57
  5. Step 5: Solve for x
    x = 20,785,067.57/5,712.16
  6. Step 6: Final answer
    x = 3,638.74

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