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Finding the Fourth Proportional to 3,523.87, 4,863.03 and 1,930.60

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Solution

The fourth proportional to 3,523.87, 4,863.03 and 1,930.60 is: 2,664.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,523.87 : 4,863.03 = 1,930.60 : x
  2. Step 2: Convert to fraction form
    3,523.87/4,863.03 = 1,930.60/x
  3. Step 3: Cross multiply
    3,523.87x = 4,863.03 × 1,930.60
  4. Step 4: Simplify right side
    3,523.87x = 9,388,556.07
  5. Step 5: Solve for x
    x = 9,388,556.07/3,523.87
  6. Step 6: Final answer
    x = 2,664.28

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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.