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Finding the Fourth Proportional to 2,095.39, 3,142.41 and 634.15

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Solution

The fourth proportional to 2,095.39, 3,142.41 and 634.15 is: 951.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,095.39 : 3,142.41 = 634.15 : x
  2. Step 2: Convert to fraction form
    2,095.39/3,142.41 = 634.15/x
  3. Step 3: Cross multiply
    2,095.39x = 3,142.41 × 634.15
  4. Step 4: Simplify right side
    2,095.39x = 1,992,759.30
  5. Step 5: Solve for x
    x = 1,992,759.30/2,095.39
  6. Step 6: Final answer
    x = 951.02

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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.