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Finding the Fourth Proportional to 7,763.31, 11,648.22 and 4,067.97

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Solution

The fourth proportional to 7,763.31, 11,648.22 and 4,067.97 is: 6,103.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,763.31 : 11,648.22 = 4,067.97 : x
  2. Step 2: Convert to fraction form
    7,763.31/11,648.22 = 4,067.97/x
  3. Step 3: Cross multiply
    7,763.31x = 11,648.22 × 4,067.97
  4. Step 4: Simplify right side
    7,763.31x = 47,384,609.51
  5. Step 5: Solve for x
    x = 47,384,609.51/7,763.31
  6. Step 6: Final answer
    x = 6,103.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.