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Finding the Fourth Proportional to 25,975.55, 38,972.37 and 8,208.92

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Solution

The fourth proportional to 25,975.55, 38,972.37 and 8,208.92 is: 12,316.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,975.55 : 38,972.37 = 8,208.92 : x
  2. Step 2: Convert to fraction form
    25,975.55/38,972.37 = 8,208.92/x
  3. Step 3: Cross multiply
    25,975.55x = 38,972.37 × 8,208.92
  4. Step 4: Simplify right side
    25,975.55x = 319,921,067.54
  5. Step 5: Solve for x
    x = 319,921,067.54/25,975.55
  6. Step 6: Final answer
    x = 12,316.24

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