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Finding the Fourth Proportional to 5,299.52, 7,949.57 and 1,403.82

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Solution

The fourth proportional to 5,299.52, 7,949.57 and 1,403.82 is: 2,105.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.52 : 7,949.57 = 1,403.82 : x
  2. Step 2: Convert to fraction form
    5,299.52/7,949.57 = 1,403.82/x
  3. Step 3: Cross multiply
    5,299.52x = 7,949.57 × 1,403.82
  4. Step 4: Simplify right side
    5,299.52x = 11,159,758.34
  5. Step 5: Solve for x
    x = 11,159,758.34/5,299.52
  6. Step 6: Final answer
    x = 2,105.81

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