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Finding the Fourth Proportional to 33,423.40, 50,110.80 and 13,691.80

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Solution

The fourth proportional to 33,423.40, 50,110.80 and 13,691.80 is: 20,527.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,423.40 : 50,110.80 = 13,691.80 : x
  2. Step 2: Convert to fraction form
    33,423.40/50,110.80 = 13,691.80/x
  3. Step 3: Cross multiply
    33,423.40x = 50,110.80 × 13,691.80
  4. Step 4: Simplify right side
    33,423.40x = 686,107,051.44
  5. Step 5: Solve for x
    x = 686,107,051.44/33,423.40
  6. Step 6: Final answer
    x = 20,527.75

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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.