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Finding the Fourth Proportional to 43,978.67, 65,961.62 and 14,397.67

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Solution

The fourth proportional to 43,978.67, 65,961.62 and 14,397.67 is: 21,594.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,978.67 : 65,961.62 = 14,397.67 : x
  2. Step 2: Convert to fraction form
    43,978.67/65,961.62 = 14,397.67/x
  3. Step 3: Cross multiply
    43,978.67x = 65,961.62 × 14,397.67
  4. Step 4: Simplify right side
    43,978.67x = 949,693,637.43
  5. Step 5: Solve for x
    x = 949,693,637.43/43,978.67
  6. Step 6: Final answer
    x = 21,594.41

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