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Finding the Fourth Proportional to 6,968.82, 9,613.84 and 4,136.32

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Solution

The fourth proportional to 6,968.82, 9,613.84 and 4,136.32 is: 5,706.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,968.82 : 9,613.84 = 4,136.32 : x
  2. Step 2: Convert to fraction form
    6,968.82/9,613.84 = 4,136.32/x
  3. Step 3: Cross multiply
    6,968.82x = 9,613.84 × 4,136.32
  4. Step 4: Simplify right side
    6,968.82x = 39,765,908.33
  5. Step 5: Solve for x
    x = 39,765,908.33/6,968.82
  6. Step 6: Final answer
    x = 5,706.26

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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.