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Finding the Fourth Proportional to 2,462.43, 3,693.78 and 731.19

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Solution

The fourth proportional to 2,462.43, 3,693.78 and 731.19 is: 1,096.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,462.43 : 3,693.78 = 731.19 : x
  2. Step 2: Convert to fraction form
    2,462.43/3,693.78 = 731.19/x
  3. Step 3: Cross multiply
    2,462.43x = 3,693.78 × 731.19
  4. Step 4: Simplify right side
    2,462.43x = 2,700,855.00
  5. Step 5: Solve for x
    x = 2,700,855.00/2,462.43
  6. Step 6: Final answer
    x = 1,096.83

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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.