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Finding the Fourth Proportional to 2,095.44, 3,143.16 and 634.56

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Solution

The fourth proportional to 2,095.44, 3,143.16 and 634.56 is: 951.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,095.44 : 3,143.16 = 634.56 : x
  2. Step 2: Convert to fraction form
    2,095.44/3,143.16 = 634.56/x
  3. Step 3: Cross multiply
    2,095.44x = 3,143.16 × 634.56
  4. Step 4: Simplify right side
    2,095.44x = 1,994,523.61
  5. Step 5: Solve for x
    x = 1,994,523.61/2,095.44
  6. Step 6: Final answer
    x = 951.84

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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.