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Finding the Fourth Proportional to 3,610.24, 4,982.18 and 1,954.24

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Solution

The fourth proportional to 3,610.24, 4,982.18 and 1,954.24 is: 2,696.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.24 : 4,982.18 = 1,954.24 : x
  2. Step 2: Convert to fraction form
    3,610.24/4,982.18 = 1,954.24/x
  3. Step 3: Cross multiply
    3,610.24x = 4,982.18 × 1,954.24
  4. Step 4: Simplify right side
    3,610.24x = 9,736,375.44
  5. Step 5: Solve for x
    x = 9,736,375.44/3,610.24
  6. Step 6: Final answer
    x = 2,696.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.