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Finding the Fourth Proportional to 3,220.98, 4,834.44 and 2,495.22

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Solution

The fourth proportional to 3,220.98, 4,834.44 and 2,495.22 is: 3,745.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.98 : 4,834.44 = 2,495.22 : x
  2. Step 2: Convert to fraction form
    3,220.98/4,834.44 = 2,495.22/x
  3. Step 3: Cross multiply
    3,220.98x = 4,834.44 × 2,495.22
  4. Step 4: Simplify right side
    3,220.98x = 12,062,991.38
  5. Step 5: Solve for x
    x = 12,062,991.38/3,220.98
  6. Step 6: Final answer
    x = 3,745.13

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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.