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Finding the Fourth Proportional to 31,161.50, 43,003.08 and 17,014.52

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Solution

The fourth proportional to 31,161.50, 43,003.08 and 17,014.52 is: 23,480.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,161.50 : 43,003.08 = 17,014.52 : x
  2. Step 2: Convert to fraction form
    31,161.50/43,003.08 = 17,014.52/x
  3. Step 3: Cross multiply
    31,161.50x = 43,003.08 × 17,014.52
  4. Step 4: Simplify right side
    31,161.50x = 731,676,764.72
  5. Step 5: Solve for x
    x = 731,676,764.72/31,161.50
  6. Step 6: Final answer
    x = 23,480.15

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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.