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Finding the Fourth Proportional to 7,067.52, 9,752.44 and 3,923.12

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Solution

The fourth proportional to 7,067.52, 9,752.44 and 3,923.12 is: 5,413.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,067.52 : 9,752.44 = 3,923.12 : x
  2. Step 2: Convert to fraction form
    7,067.52/9,752.44 = 3,923.12/x
  3. Step 3: Cross multiply
    7,067.52x = 9,752.44 × 3,923.12
  4. Step 4: Simplify right side
    7,067.52x = 38,259,992.41
  5. Step 5: Solve for x
    x = 38,259,992.41/7,067.52
  6. Step 6: Final answer
    x = 5,413.50

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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.