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Finding the Fourth Proportional to 30,321.96, 41,843.25 and 16,892.52

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Solution

The fourth proportional to 30,321.96, 41,843.25 and 16,892.52 is: 23,311.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,321.96 : 41,843.25 = 16,892.52 : x
  2. Step 2: Convert to fraction form
    30,321.96/41,843.25 = 16,892.52/x
  3. Step 3: Cross multiply
    30,321.96x = 41,843.25 × 16,892.52
  4. Step 4: Simplify right side
    30,321.96x = 706,837,937.49
  5. Step 5: Solve for x
    x = 706,837,937.49/30,321.96
  6. Step 6: Final answer
    x = 23,311.09

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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.