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Finding the Fourth Proportional to 3,523.87, 4,867.70 and 3,274.80

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Solution

The fourth proportional to 3,523.87, 4,867.70 and 3,274.80 is: 4,523.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,523.87 : 4,867.70 = 3,274.80 : x
  2. Step 2: Convert to fraction form
    3,523.87/4,867.70 = 3,274.80/x
  3. Step 3: Cross multiply
    3,523.87x = 4,867.70 × 3,274.80
  4. Step 4: Simplify right side
    3,523.87x = 15,940,709.33
  5. Step 5: Solve for x
    x = 15,940,709.33/3,523.87
  6. Step 6: Final answer
    x = 4,523.64

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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.