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Finding the Fourth Proportional to 4,761.98, 6,570.98 and 2,745.38

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Solution

The fourth proportional to 4,761.98, 6,570.98 and 2,745.38 is: 3,788.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,761.98 : 6,570.98 = 2,745.38 : x
  2. Step 2: Convert to fraction form
    4,761.98/6,570.98 = 2,745.38/x
  3. Step 3: Cross multiply
    4,761.98x = 6,570.98 × 2,745.38
  4. Step 4: Simplify right side
    4,761.98x = 18,039,793.92
  5. Step 5: Solve for x
    x = 18,039,793.92/4,761.98
  6. Step 6: Final answer
    x = 3,788.29

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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.