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Finding the Fourth Proportional to 31,363.92, 46,994.04 and 19,648.08

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Solution

The fourth proportional to 31,363.92, 46,994.04 and 19,648.08 is: 29,439.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,363.92 : 46,994.04 = 19,648.08 : x
  2. Step 2: Convert to fraction form
    31,363.92/46,994.04 = 19,648.08/x
  3. Step 3: Cross multiply
    31,363.92x = 46,994.04 × 19,648.08
  4. Step 4: Simplify right side
    31,363.92x = 923,342,657.44
  5. Step 5: Solve for x
    x = 923,342,657.44/31,363.92
  6. Step 6: Final answer
    x = 29,439.64

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