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Finding the Fourth Proportional to 30,944.89, 42,703.99 and 16,797.73

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Solution

The fourth proportional to 30,944.89, 42,703.99 and 16,797.73 is: 23,180.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,944.89 : 42,703.99 = 16,797.73 : x
  2. Step 2: Convert to fraction form
    30,944.89/42,703.99 = 16,797.73/x
  3. Step 3: Cross multiply
    30,944.89x = 42,703.99 × 16,797.73
  4. Step 4: Simplify right side
    30,944.89x = 717,330,093.94
  5. Step 5: Solve for x
    x = 717,330,093.94/30,944.89
  6. Step 6: Final answer
    x = 23,180.89

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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.