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Finding the Fourth Proportional to 61,941.96, 85,480.26 and 33,647.88

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Solution

The fourth proportional to 61,941.96, 85,480.26 and 33,647.88 is: 46,434.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,941.96 : 85,480.26 = 33,647.88 : x
  2. Step 2: Convert to fraction form
    61,941.96/85,480.26 = 33,647.88/x
  3. Step 3: Cross multiply
    61,941.96x = 85,480.26 × 33,647.88
  4. Step 4: Simplify right side
    61,941.96x = 2,876,229,530.85
  5. Step 5: Solve for x
    x = 2,876,229,530.85/61,941.96
  6. Step 6: Final answer
    x = 46,434.27

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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.