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Finding the Fourth Proportional to 53,858.92, 80,800.37 and 16,421.91

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Solution

The fourth proportional to 53,858.92, 80,800.37 and 16,421.91 is: 24,636.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,858.92 : 80,800.37 = 16,421.91 : x
  2. Step 2: Convert to fraction form
    53,858.92/80,800.37 = 16,421.91/x
  3. Step 3: Cross multiply
    53,858.92x = 80,800.37 × 16,421.91
  4. Step 4: Simplify right side
    53,858.92x = 1,326,895,918.00
  5. Step 5: Solve for x
    x = 1,326,895,918.00/53,858.92
  6. Step 6: Final answer
    x = 24,636.51

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