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Finding the Fourth Proportional to 53,608.80, 73,991.84 and 29,743.68

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Solution

The fourth proportional to 53,608.80, 73,991.84 and 29,743.68 is: 41,052.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,608.80 : 73,991.84 = 29,743.68 : x
  2. Step 2: Convert to fraction form
    53,608.80/73,991.84 = 29,743.68/x
  3. Step 3: Cross multiply
    53,608.80x = 73,991.84 × 29,743.68
  4. Step 4: Simplify right side
    53,608.80x = 2,200,789,611.57
  5. Step 5: Solve for x
    x = 2,200,789,611.57/53,608.80
  6. Step 6: Final answer
    x = 41,052.77

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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.