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Finding the Fourth Proportional to 29,991.89, 44,893.49 and 20,576.85

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Solution

The fourth proportional to 29,991.89, 44,893.49 and 20,576.85 is: 30,800.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,991.89 : 44,893.49 = 20,576.85 : x
  2. Step 2: Convert to fraction form
    29,991.89/44,893.49 = 20,576.85/x
  3. Step 3: Cross multiply
    29,991.89x = 44,893.49 × 20,576.85
  4. Step 4: Simplify right side
    29,991.89x = 923,766,609.71
  5. Step 5: Solve for x
    x = 923,766,609.71/29,991.89
  6. Step 6: Final answer
    x = 30,800.55

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1.5x scale

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.