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Finding the Fourth Proportional to 10,178.99, 15,250.35 and 6,228.31

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Solution

The fourth proportional to 10,178.99, 15,250.35 and 6,228.31 is: 9,331.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,178.99 : 15,250.35 = 6,228.31 : x
  2. Step 2: Convert to fraction form
    10,178.99/15,250.35 = 6,228.31/x
  3. Step 3: Cross multiply
    10,178.99x = 15,250.35 × 6,228.31
  4. Step 4: Simplify right side
    10,178.99x = 94,983,949.83
  5. Step 5: Solve for x
    x = 94,983,949.83/10,178.99
  6. Step 6: Final answer
    x = 9,331.38

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