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Finding the Fourth Proportional to 48,991.50, 67,608.81 and 26,635.50

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Solution

The fourth proportional to 48,991.50, 67,608.81 and 26,635.50 is: 36,757.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,991.50 : 67,608.81 = 26,635.50 : x
  2. Step 2: Convert to fraction form
    48,991.50/67,608.81 = 26,635.50/x
  3. Step 3: Cross multiply
    48,991.50x = 67,608.81 × 26,635.50
  4. Step 4: Simplify right side
    48,991.50x = 1,800,794,458.76
  5. Step 5: Solve for x
    x = 1,800,794,458.76/48,991.50
  6. Step 6: Final answer
    x = 36,757.28

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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.