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Finding the Fourth Proportional to 7,447.92, 11,179.17 and 7,413.27

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Solution

The fourth proportional to 7,447.92, 11,179.17 and 7,413.27 is: 11,127.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447.92 : 11,179.17 = 7,413.27 : x
  2. Step 2: Convert to fraction form
    7,447.92/11,179.17 = 7,413.27/x
  3. Step 3: Cross multiply
    7,447.92x = 11,179.17 × 7,413.27
  4. Step 4: Simplify right side
    7,447.92x = 82,874,205.59
  5. Step 5: Solve for x
    x = 82,874,205.59/7,447.92
  6. Step 6: Final answer
    x = 11,127.16

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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.