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Finding the Fourth Proportional to 5,779.24, 7,978.98 and 3,792.68

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Solution

The fourth proportional to 5,779.24, 7,978.98 and 3,792.68 is: 5,236.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779.24 : 7,978.98 = 3,792.68 : x
  2. Step 2: Convert to fraction form
    5,779.24/7,978.98 = 3,792.68/x
  3. Step 3: Cross multiply
    5,779.24x = 7,978.98 × 3,792.68
  4. Step 4: Simplify right side
    5,779.24x = 30,261,717.87
  5. Step 5: Solve for x
    x = 30,261,717.87/5,779.24
  6. Step 6: Final answer
    x = 5,236.28

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