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Finding the Fourth Proportional to 31,483.50, 43,447.23 and 17,336.31

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Solution

The fourth proportional to 31,483.50, 43,447.23 and 17,336.31 is: 23,924.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,483.50 : 43,447.23 = 17,336.31 : x
  2. Step 2: Convert to fraction form
    31,483.50/43,447.23 = 17,336.31/x
  3. Step 3: Cross multiply
    31,483.50x = 43,447.23 × 17,336.31
  4. Step 4: Simplify right side
    31,483.50x = 753,214,647.92
  5. Step 5: Solve for x
    x = 753,214,647.92/31,483.50
  6. Step 6: Final answer
    x = 23,924.11

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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.