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Finding the Fourth Proportional to 8,297.55, 11,450.09 and 4,940.61

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Solution

The fourth proportional to 8,297.55, 11,450.09 and 4,940.61 is: 6,817.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,297.55 : 11,450.09 = 4,940.61 : x
  2. Step 2: Convert to fraction form
    8,297.55/11,450.09 = 4,940.61/x
  3. Step 3: Cross multiply
    8,297.55x = 11,450.09 × 4,940.61
  4. Step 4: Simplify right side
    8,297.55x = 56,570,404.45
  5. Step 5: Solve for x
    x = 56,570,404.45/8,297.55
  6. Step 6: Final answer
    x = 6,817.72

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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.