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Finding the Fourth Proportional to 2,462.54, 3,694.40 and 731.16

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Solution

The fourth proportional to 2,462.54, 3,694.40 and 731.16 is: 1,096.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,462.54 : 3,694.40 = 731.16 : x
  2. Step 2: Convert to fraction form
    2,462.54/3,694.40 = 731.16/x
  3. Step 3: Cross multiply
    2,462.54x = 3,694.40 × 731.16
  4. Step 4: Simplify right side
    2,462.54x = 2,701,199.33
  5. Step 5: Solve for x
    x = 2,701,199.33/2,462.54
  6. Step 6: Final answer
    x = 1,096.92

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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.