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Finding the Fourth Proportional to 57,394.33, 79,200.34 and 31,899.04

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Solution

The fourth proportional to 57,394.33, 79,200.34 and 31,899.04 is: 44,018.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,394.33 : 79,200.34 = 31,899.04 : x
  2. Step 2: Convert to fraction form
    57,394.33/79,200.34 = 31,899.04/x
  3. Step 3: Cross multiply
    57,394.33x = 79,200.34 × 31,899.04
  4. Step 4: Simplify right side
    57,394.33x = 2,526,414,813.67
  5. Step 5: Solve for x
    x = 2,526,414,813.67/57,394.33
  6. Step 6: Final answer
    x = 44,018.54

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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.