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Finding the Fourth Proportional to 16,399.62, 22,631.70 and 9,326.02

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Solution

The fourth proportional to 16,399.62, 22,631.70 and 9,326.02 is: 12,870.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,399.62 : 22,631.70 = 9,326.02 : x
  2. Step 2: Convert to fraction form
    16,399.62/22,631.70 = 9,326.02/x
  3. Step 3: Cross multiply
    16,399.62x = 22,631.70 × 9,326.02
  4. Step 4: Simplify right side
    16,399.62x = 211,063,686.83
  5. Step 5: Solve for x
    x = 211,063,686.83/16,399.62
  6. Step 6: Final answer
    x = 12,870.04

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