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Finding the Fourth Proportional to 19,188.62, 28,786.81 and 8,095.33

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Solution

The fourth proportional to 19,188.62, 28,786.81 and 8,095.33 is: 12,144.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,188.62 : 28,786.81 = 8,095.33 : x
  2. Step 2: Convert to fraction form
    19,188.62/28,786.81 = 8,095.33/x
  3. Step 3: Cross multiply
    19,188.62x = 28,786.81 × 8,095.33
  4. Step 4: Simplify right side
    19,188.62x = 233,038,808.68
  5. Step 5: Solve for x
    x = 233,038,808.68/19,188.62
  6. Step 6: Final answer
    x = 12,144.64

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