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Finding the Fourth Proportional to 7,067.39, 9,752.61 and 3,923.39

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Solution

The fourth proportional to 7,067.39, 9,752.61 and 3,923.39 is: 5,414.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,067.39 : 9,752.61 = 3,923.39 : x
  2. Step 2: Convert to fraction form
    7,067.39/9,752.61 = 3,923.39/x
  3. Step 3: Cross multiply
    7,067.39x = 9,752.61 × 3,923.39
  4. Step 4: Simplify right side
    7,067.39x = 38,263,292.55
  5. Step 5: Solve for x
    x = 38,263,292.55/7,067.39
  6. Step 6: Final answer
    x = 5,414.06

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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.