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Finding the Fourth Proportional to 37,666.56, 51,980.16 and 20,899.84

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Solution

The fourth proportional to 37,666.56, 51,980.16 and 20,899.84 is: 28,841.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,666.56 : 51,980.16 = 20,899.84 : x
  2. Step 2: Convert to fraction form
    37,666.56/51,980.16 = 20,899.84/x
  3. Step 3: Cross multiply
    37,666.56x = 51,980.16 × 20,899.84
  4. Step 4: Simplify right side
    37,666.56x = 1,086,377,027.17
  5. Step 5: Solve for x
    x = 1,086,377,027.17/37,666.56
  6. Step 6: Final answer
    x = 28,841.95

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