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Finding the Fourth Proportional to 2,523.77, 3,785.84 and 674.84

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Solution

The fourth proportional to 2,523.77, 3,785.84 and 674.84 is: 1,012.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,523.77 : 3,785.84 = 674.84 : x
  2. Step 2: Convert to fraction form
    2,523.77/3,785.84 = 674.84/x
  3. Step 3: Cross multiply
    2,523.77x = 3,785.84 × 674.84
  4. Step 4: Simplify right side
    2,523.77x = 2,554,847.42
  5. Step 5: Solve for x
    x = 2,554,847.42/2,523.77
  6. Step 6: Final answer
    x = 1,012.31

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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.