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Finding the Fourth Proportional to 7,752.16, 10,696.20 and 5,238.96

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Solution

The fourth proportional to 7,752.16, 10,696.20 and 5,238.96 is: 7,228.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,752.16 : 10,696.20 = 5,238.96 : x
  2. Step 2: Convert to fraction form
    7,752.16/10,696.20 = 5,238.96/x
  3. Step 3: Cross multiply
    7,752.16x = 10,696.20 × 5,238.96
  4. Step 4: Simplify right side
    7,752.16x = 56,036,963.95
  5. Step 5: Solve for x
    x = 56,036,963.95/7,752.16
  6. Step 6: Final answer
    x = 7,228.56

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