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Finding the Fourth Proportional to 41,369.32, 62,043.90 and 11,789.80

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Solution

The fourth proportional to 41,369.32, 62,043.90 and 11,789.80 is: 17,681.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,369.32 : 62,043.90 = 11,789.80 : x
  2. Step 2: Convert to fraction form
    41,369.32/62,043.90 = 11,789.80/x
  3. Step 3: Cross multiply
    41,369.32x = 62,043.90 × 11,789.80
  4. Step 4: Simplify right side
    41,369.32x = 731,485,172.22
  5. Step 5: Solve for x
    x = 731,485,172.22/41,369.32
  6. Step 6: Final answer
    x = 17,681.83

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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.