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Finding the Fourth Proportional to 29,305.67, 43,961.10 and 8,245.90

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Solution

The fourth proportional to 29,305.67, 43,961.10 and 8,245.90 is: 12,369.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,305.67 : 43,961.10 = 8,245.90 : x
  2. Step 2: Convert to fraction form
    29,305.67/43,961.10 = 8,245.90/x
  3. Step 3: Cross multiply
    29,305.67x = 43,961.10 × 8,245.90
  4. Step 4: Simplify right side
    29,305.67x = 362,498,834.49
  5. Step 5: Solve for x
    x = 362,498,834.49/29,305.67
  6. Step 6: Final answer
    x = 12,369.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.