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Finding the Fourth Proportional to 57,979.44, 79,997.22 and 36,750.96

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Solution

The fourth proportional to 57,979.44, 79,997.22 and 36,750.96 is: 50,707.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,979.44 : 79,997.22 = 36,750.96 : x
  2. Step 2: Convert to fraction form
    57,979.44/79,997.22 = 36,750.96/x
  3. Step 3: Cross multiply
    57,979.44x = 79,997.22 × 36,750.96
  4. Step 4: Simplify right side
    57,979.44x = 2,939,974,632.33
  5. Step 5: Solve for x
    x = 2,939,974,632.33/57,979.44
  6. Step 6: Final answer
    x = 50,707.19

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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.