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Finding the Fourth Proportional to 57,890.67, 79,892.82 and 32,399.97

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Solution

The fourth proportional to 57,890.67, 79,892.82 and 32,399.97 is: 44,714.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,890.67 : 79,892.82 = 32,399.97 : x
  2. Step 2: Convert to fraction form
    57,890.67/79,892.82 = 32,399.97/x
  3. Step 3: Cross multiply
    57,890.67x = 79,892.82 × 32,399.97
  4. Step 4: Simplify right side
    57,890.67x = 2,588,524,971.22
  5. Step 5: Solve for x
    x = 2,588,524,971.22/57,890.67
  6. Step 6: Final answer
    x = 44,714.03

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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.