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Finding the Fourth Proportional to 61,642.64, 85,067.43 and 33,348.92

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Solution

The fourth proportional to 61,642.64, 85,067.43 and 33,348.92 is: 46,021.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,642.64 : 85,067.43 = 33,348.92 : x
  2. Step 2: Convert to fraction form
    61,642.64/85,067.43 = 33,348.92/x
  3. Step 3: Cross multiply
    61,642.64x = 85,067.43 × 33,348.92
  4. Step 4: Simplify right side
    61,642.64x = 2,836,906,917.68
  5. Step 5: Solve for x
    x = 2,836,906,917.68/61,642.64
  6. Step 6: Final answer
    x = 46,021.83

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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.