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Finding the Fourth Proportional to 61,876.03, 85,388.97 and 33,581.71

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Solution

The fourth proportional to 61,876.03, 85,388.97 and 33,581.71 is: 46,342.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,876.03 : 85,388.97 = 33,581.71 : x
  2. Step 2: Convert to fraction form
    61,876.03/85,388.97 = 33,581.71/x
  3. Step 3: Cross multiply
    61,876.03x = 85,388.97 × 33,581.71
  4. Step 4: Simplify right side
    61,876.03x = 2,867,507,627.74
  5. Step 5: Solve for x
    x = 2,867,507,627.74/61,876.03
  6. Step 6: Final answer
    x = 46,342.79

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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.