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Finding the Fourth Proportional to 57,980.44, 79,998.60 and 36,751.96

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Solution

The fourth proportional to 57,980.44, 79,998.60 and 36,751.96 is: 50,708.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,980.44 : 79,998.60 = 36,751.96 : x
  2. Step 2: Convert to fraction form
    57,980.44/79,998.60 = 36,751.96/x
  3. Step 3: Cross multiply
    57,980.44x = 79,998.60 × 36,751.96
  4. Step 4: Simplify right side
    57,980.44x = 2,940,105,347.26
  5. Step 5: Solve for x
    x = 2,940,105,347.26/57,980.44
  6. Step 6: Final answer
    x = 50,708.57

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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.