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Finding the Fourth Proportional to 49,387.88, 74,064.29 and 17,789.46

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Solution

The fourth proportional to 49,387.88, 74,064.29 and 17,789.46 is: 26,677.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,387.88 : 74,064.29 = 17,789.46 : x
  2. Step 2: Convert to fraction form
    49,387.88/74,064.29 = 17,789.46/x
  3. Step 3: Cross multiply
    49,387.88x = 74,064.29 × 17,789.46
  4. Step 4: Simplify right side
    49,387.88x = 1,317,563,635.44
  5. Step 5: Solve for x
    x = 1,317,563,635.44/49,387.88
  6. Step 6: Final answer
    x = 26,677.88

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