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Finding the Fourth Proportional to 4,755.25, 7,126.62 and 4,136.05

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Solution

The fourth proportional to 4,755.25, 7,126.62 and 4,136.05 is: 6,198.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,755.25 : 7,126.62 = 4,136.05 : x
  2. Step 2: Convert to fraction form
    4,755.25/7,126.62 = 4,136.05/x
  3. Step 3: Cross multiply
    4,755.25x = 7,126.62 × 4,136.05
  4. Step 4: Simplify right side
    4,755.25x = 29,476,056.65
  5. Step 5: Solve for x
    x = 29,476,056.65/4,755.25
  6. Step 6: Final answer
    x = 6,198.63

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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.