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Finding the Fourth Proportional to 2,224.97, 3,338.24 and 992.27

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Solution

The fourth proportional to 2,224.97, 3,338.24 and 992.27 is: 1,488.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224.97 : 3,338.24 = 992.27 : x
  2. Step 2: Convert to fraction form
    2,224.97/3,338.24 = 992.27/x
  3. Step 3: Cross multiply
    2,224.97x = 3,338.24 × 992.27
  4. Step 4: Simplify right side
    2,224.97x = 3,312,413.75
  5. Step 5: Solve for x
    x = 3,312,413.75/2,224.97
  6. Step 6: Final answer
    x = 1,488.75

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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.