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Finding the Fourth Proportional to 43,779.68, 65,684.10 and 14,198.48

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Solution

The fourth proportional to 43,779.68, 65,684.10 and 14,198.48 is: 21,302.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,779.68 : 65,684.10 = 14,198.48 : x
  2. Step 2: Convert to fraction form
    43,779.68/65,684.10 = 14,198.48/x
  3. Step 3: Cross multiply
    43,779.68x = 65,684.10 × 14,198.48
  4. Step 4: Simplify right side
    43,779.68x = 932,614,380.17
  5. Step 5: Solve for x
    x = 932,614,380.17/43,779.68
  6. Step 6: Final answer
    x = 21,302.45

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