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Finding the Fourth Proportional to 57,003.32, 85,504.98 and 15,450.32

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Solution

The fourth proportional to 57,003.32, 85,504.98 and 15,450.32 is: 23,175.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,003.32 : 85,504.98 = 15,450.32 : x
  2. Step 2: Convert to fraction form
    57,003.32/85,504.98 = 15,450.32/x
  3. Step 3: Cross multiply
    57,003.32x = 85,504.98 × 15,450.32
  4. Step 4: Simplify right side
    57,003.32x = 1,321,079,302.59
  5. Step 5: Solve for x
    x = 1,321,079,302.59/57,003.32
  6. Step 6: Final answer
    x = 23,175.48

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