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Finding the Fourth Proportional to 30,647.99, 45,884.27 and 20,769.71

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Solution

The fourth proportional to 30,647.99, 45,884.27 and 20,769.71 is: 31,095.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,647.99 : 45,884.27 = 20,769.71 : x
  2. Step 2: Convert to fraction form
    30,647.99/45,884.27 = 20,769.71/x
  3. Step 3: Cross multiply
    30,647.99x = 45,884.27 × 20,769.71
  4. Step 4: Simplify right side
    30,647.99x = 953,002,803.96
  5. Step 5: Solve for x
    x = 953,002,803.96/30,647.99
  6. Step 6: Final answer
    x = 31,095.11

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