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Finding the Fourth Proportional to 50,786.92, 70,012.93 and 35,632.61

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Solution

The fourth proportional to 50,786.92, 70,012.93 and 35,632.61 is: 49,121.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,786.92 : 70,012.93 = 35,632.61 : x
  2. Step 2: Convert to fraction form
    50,786.92/70,012.93 = 35,632.61/x
  3. Step 3: Cross multiply
    50,786.92x = 70,012.93 × 35,632.61
  4. Step 4: Simplify right side
    50,786.92x = 2,494,743,420.08
  5. Step 5: Solve for x
    x = 2,494,743,420.08/50,786.92
  6. Step 6: Final answer
    x = 49,121.77

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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.