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Finding the Fourth Proportional to 15,191.75, 22,787.52 and 4,661.75

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Solution

The fourth proportional to 15,191.75, 22,787.52 and 4,661.75 is: 6,992.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,191.75 : 22,787.52 = 4,661.75 : x
  2. Step 2: Convert to fraction form
    15,191.75/22,787.52 = 4,661.75/x
  3. Step 3: Cross multiply
    15,191.75x = 22,787.52 × 4,661.75
  4. Step 4: Simplify right side
    15,191.75x = 106,229,721.36
  5. Step 5: Solve for x
    x = 106,229,721.36/15,191.75
  6. Step 6: Final answer
    x = 6,992.59

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