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Finding the Fourth Proportional to 33,991.40, 50,995.20 and 16,446.80

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Solution

The fourth proportional to 33,991.40, 50,995.20 and 16,446.80 is: 24,674.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,991.40 : 50,995.20 = 16,446.80 : x
  2. Step 2: Convert to fraction form
    33,991.40/50,995.20 = 16,446.80/x
  3. Step 3: Cross multiply
    33,991.40x = 50,995.20 × 16,446.80
  4. Step 4: Simplify right side
    33,991.40x = 838,707,855.36
  5. Step 5: Solve for x
    x = 838,707,855.36/33,991.40
  6. Step 6: Final answer
    x = 24,674.12

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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.