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Finding the Fourth Proportional to 5,168.51, 7,752.77 and 4,252.81

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Solution

The fourth proportional to 5,168.51, 7,752.77 and 4,252.81 is: 6,379.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.51 : 7,752.77 = 4,252.81 : x
  2. Step 2: Convert to fraction form
    5,168.51/7,752.77 = 4,252.81/x
  3. Step 3: Cross multiply
    5,168.51x = 7,752.77 × 4,252.81
  4. Step 4: Simplify right side
    5,168.51x = 32,971,057.78
  5. Step 5: Solve for x
    x = 32,971,057.78/5,168.51
  6. Step 6: Final answer
    x = 6,379.22

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