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Finding the Fourth Proportional to 29,912.98, 44,869.48 and 20,524.54

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Solution

The fourth proportional to 29,912.98, 44,869.48 and 20,524.54 is: 30,786.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,912.98 : 44,869.48 = 20,524.54 : x
  2. Step 2: Convert to fraction form
    29,912.98/44,869.48 = 20,524.54/x
  3. Step 3: Cross multiply
    29,912.98x = 44,869.48 × 20,524.54
  4. Step 4: Simplify right side
    29,912.98x = 920,925,444.27
  5. Step 5: Solve for x
    x = 920,925,444.27/29,912.98
  6. Step 6: Final answer
    x = 30,786.81

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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.