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Finding the Fourth Proportional to 2,096.40, 3,144.14 and 635.22

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Solution

The fourth proportional to 2,096.40, 3,144.14 and 635.22 is: 952.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,096.40 : 3,144.14 = 635.22 : x
  2. Step 2: Convert to fraction form
    2,096.40/3,144.14 = 635.22/x
  3. Step 3: Cross multiply
    2,096.40x = 3,144.14 × 635.22
  4. Step 4: Simplify right side
    2,096.40x = 1,997,220.61
  5. Step 5: Solve for x
    x = 1,997,220.61/2,096.40
  6. Step 6: Final answer
    x = 952.69

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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.