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Finding the Fourth Proportional to 43,992.30, 65,951.38 and 29,912.88

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Solution

The fourth proportional to 43,992.30, 65,951.38 and 29,912.88 is: 44,844.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,992.30 : 65,951.38 = 29,912.88 : x
  2. Step 2: Convert to fraction form
    43,992.30/65,951.38 = 29,912.88/x
  3. Step 3: Cross multiply
    43,992.30x = 65,951.38 × 29,912.88
  4. Step 4: Simplify right side
    43,992.30x = 1,972,795,715.77
  5. Step 5: Solve for x
    x = 1,972,795,715.77/43,992.30
  6. Step 6: Final answer
    x = 44,844.11

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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.