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Finding the Fourth Proportional to 1,456.93, 2,183.45 and 531.62

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Solution

The fourth proportional to 1,456.93, 2,183.45 and 531.62 is: 796.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456.93 : 2,183.45 = 531.62 : x
  2. Step 2: Convert to fraction form
    1,456.93/2,183.45 = 531.62/x
  3. Step 3: Cross multiply
    1,456.93x = 2,183.45 × 531.62
  4. Step 4: Simplify right side
    1,456.93x = 1,160,765.69
  5. Step 5: Solve for x
    x = 1,160,765.69/1,456.93
  6. Step 6: Final answer
    x = 796.72

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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.