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Finding the Fourth Proportional to 2,096.36, 3,143.50 and 635.16

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Solution

The fourth proportional to 2,096.36, 3,143.50 and 635.16 is: 952.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,096.36 : 3,143.50 = 635.16 : x
  2. Step 2: Convert to fraction form
    2,096.36/3,143.50 = 635.16/x
  3. Step 3: Cross multiply
    2,096.36x = 3,143.50 × 635.16
  4. Step 4: Simplify right side
    2,096.36x = 1,996,625.46
  5. Step 5: Solve for x
    x = 1,996,625.46/2,096.36
  6. Step 6: Final answer
    x = 952.42

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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.