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Finding the Fourth Proportional to 8,374.23, 12,546.03 and 3,923.73

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Solution

The fourth proportional to 8,374.23, 12,546.03 and 3,923.73 is: 5,878.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374.23 : 12,546.03 = 3,923.73 : x
  2. Step 2: Convert to fraction form
    8,374.23/12,546.03 = 3,923.73/x
  3. Step 3: Cross multiply
    8,374.23x = 12,546.03 × 3,923.73
  4. Step 4: Simplify right side
    8,374.23x = 49,227,234.29
  5. Step 5: Solve for x
    x = 49,227,234.29/8,374.23
  6. Step 6: Final answer
    x = 5,878.42

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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.