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Finding the Fourth Proportional to 61,015.92, 84,201.09 and 33,789.42

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Solution

The fourth proportional to 61,015.92, 84,201.09 and 33,789.42 is: 46,628.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,015.92 : 84,201.09 = 33,789.42 : x
  2. Step 2: Convert to fraction form
    61,015.92/84,201.09 = 33,789.42/x
  3. Step 3: Cross multiply
    61,015.92x = 84,201.09 × 33,789.42
  4. Step 4: Simplify right side
    61,015.92x = 2,845,105,867.76
  5. Step 5: Solve for x
    x = 2,845,105,867.76/61,015.92
  6. Step 6: Final answer
    x = 46,628.91

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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.