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Finding the Fourth Proportional to 7,297.17, 10,945.82 and 3,136.89

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Solution

The fourth proportional to 7,297.17, 10,945.82 and 3,136.89 is: 4,705.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,297.17 : 10,945.82 = 3,136.89 : x
  2. Step 2: Convert to fraction form
    7,297.17/10,945.82 = 3,136.89/x
  3. Step 3: Cross multiply
    7,297.17x = 10,945.82 × 3,136.89
  4. Step 4: Simplify right side
    7,297.17x = 34,335,817.62
  5. Step 5: Solve for x
    x = 34,335,817.62/7,297.17
  6. Step 6: Final answer
    x = 4,705.36

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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.