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Finding the Fourth Proportional to 5,849.76, 8,074.26 and 3,611.28

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Solution

The fourth proportional to 5,849.76, 8,074.26 and 3,611.28 is: 4,984.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,849.76 : 8,074.26 = 3,611.28 : x
  2. Step 2: Convert to fraction form
    5,849.76/8,074.26 = 3,611.28/x
  3. Step 3: Cross multiply
    5,849.76x = 8,074.26 × 3,611.28
  4. Step 4: Simplify right side
    5,849.76x = 29,158,413.65
  5. Step 5: Solve for x
    x = 29,158,413.65/5,849.76
  6. Step 6: Final answer
    x = 4,984.55

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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.