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Finding the Fourth Proportional to 37,421.73, 51,642.05 and 20,654.73

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Solution

The fourth proportional to 37,421.73, 51,642.05 and 20,654.73 is: 28,503.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,421.73 : 51,642.05 = 20,654.73 : x
  2. Step 2: Convert to fraction form
    37,421.73/51,642.05 = 20,654.73/x
  3. Step 3: Cross multiply
    37,421.73x = 51,642.05 × 20,654.73
  4. Step 4: Simplify right side
    37,421.73x = 1,066,652,496.12
  5. Step 5: Solve for x
    x = 1,066,652,496.12/37,421.73
  6. Step 6: Final answer
    x = 28,503.56

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