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Finding the Fourth Proportional to 49,159.89, 67,840.83 and 27,939.09

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Solution

The fourth proportional to 49,159.89, 67,840.83 and 27,939.09 is: 38,556.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,159.89 : 67,840.83 = 27,939.09 : x
  2. Step 2: Convert to fraction form
    49,159.89/67,840.83 = 27,939.09/x
  3. Step 3: Cross multiply
    49,159.89x = 67,840.83 × 27,939.09
  4. Step 4: Simplify right side
    49,159.89x = 1,895,411,055.04
  5. Step 5: Solve for x
    x = 1,895,411,055.04/49,159.89
  6. Step 6: Final answer
    x = 38,556.05

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.