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Finding the Fourth Proportional to 22,691.91, 34,027.15 and 8,450.70

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Solution

The fourth proportional to 22,691.91, 34,027.15 and 8,450.70 is: 12,672.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,691.91 : 34,027.15 = 8,450.70 : x
  2. Step 2: Convert to fraction form
    22,691.91/34,027.15 = 8,450.70/x
  3. Step 3: Cross multiply
    22,691.91x = 34,027.15 × 8,450.70
  4. Step 4: Simplify right side
    22,691.91x = 287,553,236.51
  5. Step 5: Solve for x
    x = 287,553,236.51/22,691.91
  6. Step 6: Final answer
    x = 12,672.06

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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.