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Finding the Fourth Proportional to 29,680.89, 44,481.22 and 12,141.15

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Solution

The fourth proportional to 29,680.89, 44,481.22 and 12,141.15 is: 18,195.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,680.89 : 44,481.22 = 12,141.15 : x
  2. Step 2: Convert to fraction form
    29,680.89/44,481.22 = 12,141.15/x
  3. Step 3: Cross multiply
    29,680.89x = 44,481.22 × 12,141.15
  4. Step 4: Simplify right side
    29,680.89x = 540,053,133.85
  5. Step 5: Solve for x
    x = 540,053,133.85/29,680.89
  6. Step 6: Final answer
    x = 18,195.31

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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.