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Finding the Fourth Proportional to 6,617.49, 9,926.22 and 5,157.73

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Solution

The fourth proportional to 6,617.49, 9,926.22 and 5,157.73 is: 7,736.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,617.49 : 9,926.22 = 5,157.73 : x
  2. Step 2: Convert to fraction form
    6,617.49/9,926.22 = 5,157.73/x
  3. Step 3: Cross multiply
    6,617.49x = 9,926.22 × 5,157.73
  4. Step 4: Simplify right side
    6,617.49x = 51,196,762.68
  5. Step 5: Solve for x
    x = 51,196,762.68/6,617.49
  6. Step 6: Final answer
    x = 7,736.58

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Double scale
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Similar ratio
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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.