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Finding the Fourth Proportional to 41,842.36, 62,764.04 and 12,260.79

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Solution

The fourth proportional to 41,842.36, 62,764.04 and 12,260.79 is: 18,391.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,842.36 : 62,764.04 = 12,260.79 : x
  2. Step 2: Convert to fraction form
    41,842.36/62,764.04 = 12,260.79/x
  3. Step 3: Cross multiply
    41,842.36x = 62,764.04 × 12,260.79
  4. Step 4: Simplify right side
    41,842.36x = 769,536,713.99
  5. Step 5: Solve for x
    x = 769,536,713.99/41,842.36
  6. Step 6: Final answer
    x = 18,391.33

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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.