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Finding the Fourth Proportional to 8,297.55, 12,449.97 and 4,401

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Solution

The fourth proportional to 8,297.55, 12,449.97 and 4,401 is: 6,603.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,297.55 : 12,449.97 = 4,401 : x
  2. Step 2: Convert to fraction form
    8,297.55/12,449.97 = 4,401/x
  3. Step 3: Cross multiply
    8,297.55x = 12,449.97 × 4,401
  4. Step 4: Simplify right side
    8,297.55x = 54,792,317.97
  5. Step 5: Solve for x
    x = 54,792,317.97/8,297.55
  6. Step 6: Final answer
    x = 6,603.43

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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.