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Finding the Fourth Proportional to 49,137.68, 67,809.84 and 26,781.68

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Solution

The fourth proportional to 49,137.68, 67,809.84 and 26,781.68 is: 36,958.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,137.68 : 67,809.84 = 26,781.68 : x
  2. Step 2: Convert to fraction form
    49,137.68/67,809.84 = 26,781.68/x
  3. Step 3: Cross multiply
    49,137.68x = 67,809.84 × 26,781.68
  4. Step 4: Simplify right side
    49,137.68x = 1,816,061,435.73
  5. Step 5: Solve for x
    x = 1,816,061,435.73/49,137.68
  6. Step 6: Final answer
    x = 36,958.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.