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Finding the Fourth Proportional to 16,869.68, 25,306.68 and 6,480.08

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Solution

The fourth proportional to 16,869.68, 25,306.68 and 6,480.08 is: 9,720.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,869.68 : 25,306.68 = 6,480.08 : x
  2. Step 2: Convert to fraction form
    16,869.68/25,306.68 = 6,480.08/x
  3. Step 3: Cross multiply
    16,869.68x = 25,306.68 × 6,480.08
  4. Step 4: Simplify right side
    16,869.68x = 163,989,310.93
  5. Step 5: Solve for x
    x = 163,989,310.93/16,869.68
  6. Step 6: Final answer
    x = 9,720.95

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