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Finding the Fourth Proportional to 31,935.82, 44,071.41 and 18,514.87

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Solution

The fourth proportional to 31,935.82, 44,071.41 and 18,514.87 is: 25,550.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,935.82 : 44,071.41 = 18,514.87 : x
  2. Step 2: Convert to fraction form
    31,935.82/44,071.41 = 18,514.87/x
  3. Step 3: Cross multiply
    31,935.82x = 44,071.41 × 18,514.87
  4. Step 4: Simplify right side
    31,935.82x = 815,976,426.87
  5. Step 5: Solve for x
    x = 815,976,426.87/31,935.82
  6. Step 6: Final answer
    x = 25,550.51

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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.