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Finding the Fourth Proportional to 3,183.03, 4,774.14 and 993.24

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Solution

The fourth proportional to 3,183.03, 4,774.14 and 993.24 is: 1,489.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.03 : 4,774.14 = 993.24 : x
  2. Step 2: Convert to fraction form
    3,183.03/4,774.14 = 993.24/x
  3. Step 3: Cross multiply
    3,183.03x = 4,774.14 × 993.24
  4. Step 4: Simplify right side
    3,183.03x = 4,741,866.81
  5. Step 5: Solve for x
    x = 4,741,866.81/3,183.03
  6. Step 6: Final answer
    x = 1,489.73

Related Problems

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Half scale
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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.