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Finding the Fourth Proportional to 13,903.55, 20,850.96 and 4,541.43

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Solution

The fourth proportional to 13,903.55, 20,850.96 and 4,541.43 is: 6,810.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,903.55 : 20,850.96 = 4,541.43 : x
  2. Step 2: Convert to fraction form
    13,903.55/20,850.96 = 4,541.43/x
  3. Step 3: Cross multiply
    13,903.55x = 20,850.96 × 4,541.43
  4. Step 4: Simplify right side
    13,903.55x = 94,693,175.27
  5. Step 5: Solve for x
    x = 94,693,175.27/13,903.55
  6. Step 6: Final answer
    x = 6,810.72

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