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Finding the Fourth Proportional to 19,105.92, 28,632.19 and 16,280.00

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Solution

The fourth proportional to 19,105.92, 28,632.19 and 16,280.00 is: 24,397.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,105.92 : 28,632.19 = 16,280.00 : x
  2. Step 2: Convert to fraction form
    19,105.92/28,632.19 = 16,280.00/x
  3. Step 3: Cross multiply
    19,105.92x = 28,632.19 × 16,280.00
  4. Step 4: Simplify right side
    19,105.92x = 466,131,869.34
  5. Step 5: Solve for x
    x = 466,131,869.34/19,105.92
  6. Step 6: Final answer
    x = 24,397.25

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