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Finding the Fourth Proportional to 31,651.99, 43,677.99 and 17,308.97

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Solution

The fourth proportional to 31,651.99, 43,677.99 and 17,308.97 is: 23,885.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,651.99 : 43,677.99 = 17,308.97 : x
  2. Step 2: Convert to fraction form
    31,651.99/43,677.99 = 17,308.97/x
  3. Step 3: Cross multiply
    31,651.99x = 43,677.99 × 17,308.97
  4. Step 4: Simplify right side
    31,651.99x = 756,021,018.57
  5. Step 5: Solve for x
    x = 756,021,018.57/31,651.99
  6. Step 6: Final answer
    x = 23,885.42

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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.