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Finding the Fourth Proportional to 18,534.75, 25,576.94 and 10,981.77

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Solution

The fourth proportional to 18,534.75, 25,576.94 and 10,981.77 is: 15,154.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,534.75 : 25,576.94 = 10,981.77 : x
  2. Step 2: Convert to fraction form
    18,534.75/25,576.94 = 10,981.77/x
  3. Step 3: Cross multiply
    18,534.75x = 25,576.94 × 10,981.77
  4. Step 4: Simplify right side
    18,534.75x = 280,880,017.47
  5. Step 5: Solve for x
    x = 280,880,017.47/18,534.75
  6. Step 6: Final answer
    x = 15,154.24

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