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Finding the Fourth Proportional to 4,761.59, 6,571.62 and 2,874.24

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Solution

The fourth proportional to 4,761.59, 6,571.62 and 2,874.24 is: 3,966.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,761.59 : 6,571.62 = 2,874.24 : x
  2. Step 2: Convert to fraction form
    4,761.59/6,571.62 = 2,874.24/x
  3. Step 3: Cross multiply
    4,761.59x = 6,571.62 × 2,874.24
  4. Step 4: Simplify right side
    4,761.59x = 18,888,413.07
  5. Step 5: Solve for x
    x = 18,888,413.07/4,761.59
  6. Step 6: Final answer
    x = 3,966.83

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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.