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Finding the Fourth Proportional to 43,470.52, 65,146.62 and 18,479.16

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Solution

The fourth proportional to 43,470.52, 65,146.62 and 18,479.16 is: 27,693.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,470.52 : 65,146.62 = 18,479.16 : x
  2. Step 2: Convert to fraction form
    43,470.52/65,146.62 = 18,479.16/x
  3. Step 3: Cross multiply
    43,470.52x = 65,146.62 × 18,479.16
  4. Step 4: Simplify right side
    43,470.52x = 1,203,854,814.44
  5. Step 5: Solve for x
    x = 1,203,854,814.44/43,470.52
  6. Step 6: Final answer
    x = 27,693.59

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