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Finding the Fourth Proportional to 61,876.26, 85,388.85 and 33,581.34

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Solution

The fourth proportional to 61,876.26, 85,388.85 and 33,581.34 is: 46,342.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,876.26 : 85,388.85 = 33,581.34 : x
  2. Step 2: Convert to fraction form
    61,876.26/85,388.85 = 33,581.34/x
  3. Step 3: Cross multiply
    61,876.26x = 85,388.85 × 33,581.34
  4. Step 4: Simplify right side
    61,876.26x = 2,867,472,004.06
  5. Step 5: Solve for x
    x = 2,867,472,004.06/61,876.26
  6. Step 6: Final answer
    x = 46,342.04

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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.