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Finding the Fourth Proportional to 41,310.73, 61,964.74 and 13,230.46

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Solution

The fourth proportional to 41,310.73, 61,964.74 and 13,230.46 is: 19,845.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,310.73 : 61,964.74 = 13,230.46 : x
  2. Step 2: Convert to fraction form
    41,310.73/61,964.74 = 13,230.46/x
  3. Step 3: Cross multiply
    41,310.73x = 61,964.74 × 13,230.46
  4. Step 4: Simplify right side
    41,310.73x = 819,822,013.98
  5. Step 5: Solve for x
    x = 819,822,013.98/41,310.73
  6. Step 6: Final answer
    x = 19,845.26

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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.