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Finding the Fourth Proportional to 71,626.78, 107,489.53 and 24,879.66

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Solution

The fourth proportional to 71,626.78, 107,489.53 and 24,879.66 is: 37,336.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,626.78 : 107,489.53 = 24,879.66 : x
  2. Step 2: Convert to fraction form
    71,626.78/107,489.53 = 24,879.66/x
  3. Step 3: Cross multiply
    71,626.78x = 107,489.53 × 24,879.66
  4. Step 4: Simplify right side
    71,626.78x = 2,674,302,587.97
  5. Step 5: Solve for x
    x = 2,674,302,587.97/71,626.78
  6. Step 6: Final answer
    x = 37,336.63

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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.