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Finding the Fourth Proportional to 61,946.40, 85,481.82 and 33,651.48

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Solution

The fourth proportional to 61,946.40, 85,481.82 and 33,651.48 is: 46,436.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,946.40 : 85,481.82 = 33,651.48 : x
  2. Step 2: Convert to fraction form
    61,946.40/85,481.82 = 33,651.48/x
  3. Step 3: Cross multiply
    61,946.40x = 85,481.82 × 33,651.48
  4. Step 4: Simplify right side
    61,946.40x = 2,876,589,756.09
  5. Step 5: Solve for x
    x = 2,876,589,756.09/61,946.40
  6. Step 6: Final answer
    x = 46,436.75

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1.5x scale

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.