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Finding the Fourth Proportional to 14,425.29, 21,601.49 and 12,079.53

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Solution

The fourth proportional to 14,425.29, 21,601.49 and 12,079.53 is: 18,088.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,425.29 : 21,601.49 = 12,079.53 : x
  2. Step 2: Convert to fraction form
    14,425.29/21,601.49 = 12,079.53/x
  3. Step 3: Cross multiply
    14,425.29x = 21,601.49 × 12,079.53
  4. Step 4: Simplify right side
    14,425.29x = 260,935,786.10
  5. Step 5: Solve for x
    x = 260,935,786.10/14,425.29
  6. Step 6: Final answer
    x = 18,088.77

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