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Finding the Fourth Proportional to 38,608.56, 57,900.48 and 12,307.14

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Solution

The fourth proportional to 38,608.56, 57,900.48 and 12,307.14 is: 18,456.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,608.56 : 57,900.48 = 12,307.14 : x
  2. Step 2: Convert to fraction form
    38,608.56/57,900.48 = 12,307.14/x
  3. Step 3: Cross multiply
    38,608.56x = 57,900.48 × 12,307.14
  4. Step 4: Simplify right side
    38,608.56x = 712,589,313.43
  5. Step 5: Solve for x
    x = 712,589,313.43/38,608.56
  6. Step 6: Final answer
    x = 18,456.77

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