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Finding the Fourth Proportional to 4,761.93, 6,611.05 and 4,619.37

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Solution

The fourth proportional to 4,761.93, 6,611.05 and 4,619.37 is: 6,413.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,761.93 : 6,611.05 = 4,619.37 : x
  2. Step 2: Convert to fraction form
    4,761.93/6,611.05 = 4,619.37/x
  3. Step 3: Cross multiply
    4,761.93x = 6,611.05 × 4,619.37
  4. Step 4: Simplify right side
    4,761.93x = 30,538,874.49
  5. Step 5: Solve for x
    x = 30,538,874.49/4,761.93
  6. Step 6: Final answer
    x = 6,413.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.