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Finding the Fourth Proportional to 61,751.30, 85,216.88 and 33,456.97

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Solution

The fourth proportional to 61,751.30, 85,216.88 and 33,456.97 is: 46,170.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,751.30 : 85,216.88 = 33,456.97 : x
  2. Step 2: Convert to fraction form
    61,751.30/85,216.88 = 33,456.97/x
  3. Step 3: Cross multiply
    61,751.30x = 85,216.88 × 33,456.97
  4. Step 4: Simplify right side
    61,751.30x = 2,851,098,004.28
  5. Step 5: Solve for x
    x = 2,851,098,004.28/61,751.30
  6. Step 6: Final answer
    x = 46,170.66

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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.