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Finding the Fourth Proportional to 2,095.67, 3,143.52 and 634.73

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Solution

The fourth proportional to 2,095.67, 3,143.52 and 634.73 is: 952.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,095.67 : 3,143.52 = 634.73 : x
  2. Step 2: Convert to fraction form
    2,095.67/3,143.52 = 634.73/x
  3. Step 3: Cross multiply
    2,095.67x = 3,143.52 × 634.73
  4. Step 4: Simplify right side
    2,095.67x = 1,995,286.45
  5. Step 5: Solve for x
    x = 1,995,286.45/2,095.67
  6. Step 6: Final answer
    x = 952.10

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Double scale
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1.5x scale

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.