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Finding the Fourth Proportional to 60,508.86, 83,434.92 and 41,391.78

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Solution

The fourth proportional to 60,508.86, 83,434.92 and 41,391.78 is: 57,074.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,508.86 : 83,434.92 = 41,391.78 : x
  2. Step 2: Convert to fraction form
    60,508.86/83,434.92 = 41,391.78/x
  3. Step 3: Cross multiply
    60,508.86x = 83,434.92 × 41,391.78
  4. Step 4: Simplify right side
    60,508.86x = 3,453,519,852.96
  5. Step 5: Solve for x
    x = 3,453,519,852.96/60,508.86
  6. Step 6: Final answer
    x = 57,074.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.