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Finding the Fourth Proportional to 41,294.90, 61,843.03 and 28,609.70

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Solution

The fourth proportional to 41,294.90, 61,843.03 and 28,609.70 is: 42,845.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,294.90 : 61,843.03 = 28,609.70 : x
  2. Step 2: Convert to fraction form
    41,294.90/61,843.03 = 28,609.70/x
  3. Step 3: Cross multiply
    41,294.90x = 61,843.03 × 28,609.70
  4. Step 4: Simplify right side
    41,294.90x = 1,769,310,154.65
  5. Step 5: Solve for x
    x = 1,769,310,154.65/41,294.90
  6. Step 6: Final answer
    x = 42,845.73

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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.