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Finding the Fourth Proportional to 18,941.42, 28,395.72 and 7,246.44

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Solution

The fourth proportional to 18,941.42, 28,395.72 and 7,246.44 is: 10,863.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,941.42 : 28,395.72 = 7,246.44 : x
  2. Step 2: Convert to fraction form
    18,941.42/28,395.72 = 7,246.44/x
  3. Step 3: Cross multiply
    18,941.42x = 28,395.72 × 7,246.44
  4. Step 4: Simplify right side
    18,941.42x = 205,767,881.24
  5. Step 5: Solve for x
    x = 205,767,881.24/18,941.42
  6. Step 6: Final answer
    x = 10,863.38

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