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Finding the Fourth Proportional to 29,027.70, 43,540.62 and 8,251.20

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Solution

The fourth proportional to 29,027.70, 43,540.62 and 8,251.20 is: 12,376.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,027.70 : 43,540.62 = 8,251.20 : x
  2. Step 2: Convert to fraction form
    29,027.70/43,540.62 = 8,251.20/x
  3. Step 3: Cross multiply
    29,027.70x = 43,540.62 × 8,251.20
  4. Step 4: Simplify right side
    29,027.70x = 359,262,363.74
  5. Step 5: Solve for x
    x = 359,262,363.74/29,027.70
  6. Step 6: Final answer
    x = 12,376.54

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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.