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Finding the Fourth Proportional to 4,947.62, 7,413.19 and 3,483.69

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Solution

The fourth proportional to 4,947.62, 7,413.19 and 3,483.69 is: 5,219.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.62 : 7,413.19 = 3,483.69 : x
  2. Step 2: Convert to fraction form
    4,947.62/7,413.19 = 3,483.69/x
  3. Step 3: Cross multiply
    4,947.62x = 7,413.19 × 3,483.69
  4. Step 4: Simplify right side
    4,947.62x = 25,825,255.87
  5. Step 5: Solve for x
    x = 25,825,255.87/4,947.62
  6. Step 6: Final answer
    x = 5,219.73

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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.