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Finding the Fourth Proportional to 27,390.96, 41,086.44 and 7,672.44

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Solution

The fourth proportional to 27,390.96, 41,086.44 and 7,672.44 is: 11,508.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,390.96 : 41,086.44 = 7,672.44 : x
  2. Step 2: Convert to fraction form
    27,390.96/41,086.44 = 7,672.44/x
  3. Step 3: Cross multiply
    27,390.96x = 41,086.44 × 7,672.44
  4. Step 4: Simplify right side
    27,390.96x = 315,233,245.71
  5. Step 5: Solve for x
    x = 315,233,245.71/27,390.96
  6. Step 6: Final answer
    x = 11,508.66

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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.