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Finding the Fourth Proportional to 18,710.81, 25,819.08 and 10,326.77

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Solution

The fourth proportional to 18,710.81, 25,819.08 and 10,326.77 is: 14,249.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,710.81 : 25,819.08 = 10,326.77 : x
  2. Step 2: Convert to fraction form
    18,710.81/25,819.08 = 10,326.77/x
  3. Step 3: Cross multiply
    18,710.81x = 25,819.08 × 10,326.77
  4. Step 4: Simplify right side
    18,710.81x = 266,627,700.77
  5. Step 5: Solve for x
    x = 266,627,700.77/18,710.81
  6. Step 6: Final answer
    x = 14,249.93

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