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Finding the Fourth Proportional to 62,645.88, 86,451.66 and 33,965.76

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Solution

The fourth proportional to 62,645.88, 86,451.66 and 33,965.76 is: 46,872.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,645.88 : 86,451.66 = 33,965.76 : x
  2. Step 2: Convert to fraction form
    62,645.88/86,451.66 = 33,965.76/x
  3. Step 3: Cross multiply
    62,645.88x = 86,451.66 × 33,965.76
  4. Step 4: Simplify right side
    62,645.88x = 2,936,396,335.16
  5. Step 5: Solve for x
    x = 2,936,396,335.16/62,645.88
  6. Step 6: Final answer
    x = 46,872.94

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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.