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Finding the Fourth Proportional to 3,694.88, 5,544.12 and 1,505.12

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Solution

The fourth proportional to 3,694.88, 5,544.12 and 1,505.12 is: 2,258.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,694.88 : 5,544.12 = 1,505.12 : x
  2. Step 2: Convert to fraction form
    3,694.88/5,544.12 = 1,505.12/x
  3. Step 3: Cross multiply
    3,694.88x = 5,544.12 × 1,505.12
  4. Step 4: Simplify right side
    3,694.88x = 8,344,565.89
  5. Step 5: Solve for x
    x = 8,344,565.89/3,694.88
  6. Step 6: Final answer
    x = 2,258.41

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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.