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Finding the Fourth Proportional to 29,956.87, 44,942.21 and 8,896.43

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Solution

The fourth proportional to 29,956.87, 44,942.21 and 8,896.43 is: 13,346.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,956.87 : 44,942.21 = 8,896.43 : x
  2. Step 2: Convert to fraction form
    29,956.87/44,942.21 = 8,896.43/x
  3. Step 3: Cross multiply
    29,956.87x = 44,942.21 × 8,896.43
  4. Step 4: Simplify right side
    29,956.87x = 399,825,326.55
  5. Step 5: Solve for x
    x = 399,825,326.55/29,956.87
  6. Step 6: Final answer
    x = 13,346.70

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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.