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Finding the Fourth Proportional to 31,991.96, 44,148.84 and 17,843.96

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Solution

The fourth proportional to 31,991.96, 44,148.84 and 17,843.96 is: 24,624.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,991.96 : 44,148.84 = 17,843.96 : x
  2. Step 2: Convert to fraction form
    31,991.96/44,148.84 = 17,843.96/x
  3. Step 3: Cross multiply
    31,991.96x = 44,148.84 × 17,843.96
  4. Step 4: Simplify right side
    31,991.96x = 787,790,135.01
  5. Step 5: Solve for x
    x = 787,790,135.01/31,991.96
  6. Step 6: Final answer
    x = 24,624.63

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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.