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Finding the Fourth Proportional to 2,463.28, 3,694.29 and 731.50

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Solution

The fourth proportional to 2,463.28, 3,694.29 and 731.50 is: 1,097.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,463.28 : 3,694.29 = 731.50 : x
  2. Step 2: Convert to fraction form
    2,463.28/3,694.29 = 731.50/x
  3. Step 3: Cross multiply
    2,463.28x = 3,694.29 × 731.50
  4. Step 4: Simplify right side
    2,463.28x = 2,702,373.14
  5. Step 5: Solve for x
    x = 2,702,373.14/2,463.28
  6. Step 6: Final answer
    x = 1,097.06

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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.