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Finding the Fourth Proportional to 3,217.01, 4,825.51 and 908.51

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Solution

The fourth proportional to 3,217.01, 4,825.51 and 908.51 is: 1,362.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.01 : 4,825.51 = 908.51 : x
  2. Step 2: Convert to fraction form
    3,217.01/4,825.51 = 908.51/x
  3. Step 3: Cross multiply
    3,217.01x = 4,825.51 × 908.51
  4. Step 4: Simplify right side
    3,217.01x = 4,383,997.69
  5. Step 5: Solve for x
    x = 4,383,997.69/3,217.01
  6. Step 6: Final answer
    x = 1,362.76

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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.