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Finding the Fourth Proportional to 61,961.97, 85,508.04 and 33,667.66

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Solution

The fourth proportional to 61,961.97, 85,508.04 and 33,667.66 is: 46,461.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,961.97 : 85,508.04 = 33,667.66 : x
  2. Step 2: Convert to fraction form
    61,961.97/85,508.04 = 33,667.66/x
  3. Step 3: Cross multiply
    61,961.97x = 85,508.04 × 33,667.66
  4. Step 4: Simplify right side
    61,961.97x = 2,878,855,190.45
  5. Step 5: Solve for x
    x = 2,878,855,190.45/61,961.97
  6. Step 6: Final answer
    x = 46,461.65

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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.