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Finding the Fourth Proportional to 31,791.26, 43,871.04 and 17,451.08

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Solution

The fourth proportional to 31,791.26, 43,871.04 and 17,451.08 is: 24,081.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,791.26 : 43,871.04 = 17,451.08 : x
  2. Step 2: Convert to fraction form
    31,791.26/43,871.04 = 17,451.08/x
  3. Step 3: Cross multiply
    31,791.26x = 43,871.04 × 17,451.08
  4. Step 4: Simplify right side
    31,791.26x = 765,596,809.37
  5. Step 5: Solve for x
    x = 765,596,809.37/31,791.26
  6. Step 6: Final answer
    x = 24,081.99

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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.