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Finding the Fourth Proportional to 2,097.33, 3,146.01 and 636.48

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Solution

The fourth proportional to 2,097.33, 3,146.01 and 636.48 is: 954.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,097.33 : 3,146.01 = 636.48 : x
  2. Step 2: Convert to fraction form
    2,097.33/3,146.01 = 636.48/x
  3. Step 3: Cross multiply
    2,097.33x = 3,146.01 × 636.48
  4. Step 4: Simplify right side
    2,097.33x = 2,002,353.53
  5. Step 5: Solve for x
    x = 2,002,353.53/2,097.33
  6. Step 6: Final answer
    x = 954.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.