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Finding the Fourth Proportional to 28,777.75, 43,166.32 and 11,247.42

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Solution

The fourth proportional to 28,777.75, 43,166.32 and 11,247.42 is: 16,871.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,777.75 : 43,166.32 = 11,247.42 : x
  2. Step 2: Convert to fraction form
    28,777.75/43,166.32 = 11,247.42/x
  3. Step 3: Cross multiply
    28,777.75x = 43,166.32 × 11,247.42
  4. Step 4: Simplify right side
    28,777.75x = 485,509,730.89
  5. Step 5: Solve for x
    x = 485,509,730.89/28,777.75
  6. Step 6: Final answer
    x = 16,871.01

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