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Finding the Fourth Proportional to 53,666.41, 80,497.03 and 20,383.88

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Solution

The fourth proportional to 53,666.41, 80,497.03 and 20,383.88 is: 30,574.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,666.41 : 80,497.03 = 20,383.88 : x
  2. Step 2: Convert to fraction form
    53,666.41/80,497.03 = 20,383.88/x
  3. Step 3: Cross multiply
    53,666.41x = 80,497.03 × 20,383.88
  4. Step 4: Simplify right side
    53,666.41x = 1,640,841,799.88
  5. Step 5: Solve for x
    x = 1,640,841,799.88/53,666.41
  6. Step 6: Final answer
    x = 30,574.84

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