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Finding the Fourth Proportional to 61,694.76, 85,138.38 and 33,400.38

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Solution

The fourth proportional to 61,694.76, 85,138.38 and 33,400.38 is: 46,092.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,694.76 : 85,138.38 = 33,400.38 : x
  2. Step 2: Convert to fraction form
    61,694.76/85,138.38 = 33,400.38/x
  3. Step 3: Cross multiply
    61,694.76x = 85,138.38 × 33,400.38
  4. Step 4: Simplify right side
    61,694.76x = 2,843,654,244.58
  5. Step 5: Solve for x
    x = 2,843,654,244.58/61,694.76
  6. Step 6: Final answer
    x = 46,092.31

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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.