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Finding the Fourth Proportional to 40,449.96, 60,674.94 and 12,747.96

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Solution

The fourth proportional to 40,449.96, 60,674.94 and 12,747.96 is: 19,121.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,449.96 : 60,674.94 = 12,747.96 : x
  2. Step 2: Convert to fraction form
    40,449.96/60,674.94 = 12,747.96/x
  3. Step 3: Cross multiply
    40,449.96x = 60,674.94 × 12,747.96
  4. Step 4: Simplify right side
    40,449.96x = 773,481,708.12
  5. Step 5: Solve for x
    x = 773,481,708.12/40,449.96
  6. Step 6: Final answer
    x = 19,121.94

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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.