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Finding the Fourth Proportional to 29,912.30, 44,861.66 and 8,853.92

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Solution

The fourth proportional to 29,912.30, 44,861.66 and 8,853.92 is: 13,278.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,912.30 : 44,861.66 = 8,853.92 : x
  2. Step 2: Convert to fraction form
    29,912.30/44,861.66 = 8,853.92/x
  3. Step 3: Cross multiply
    29,912.30x = 44,861.66 × 8,853.92
  4. Step 4: Simplify right side
    29,912.30x = 397,201,548.71
  5. Step 5: Solve for x
    x = 397,201,548.71/29,912.30
  6. Step 6: Final answer
    x = 13,278.87

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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.