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Finding the Fourth Proportional to 3,403.52, 5,105.73 and 1,063.73

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Solution

The fourth proportional to 3,403.52, 5,105.73 and 1,063.73 is: 1,595.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.52 : 5,105.73 = 1,063.73 : x
  2. Step 2: Convert to fraction form
    3,403.52/5,105.73 = 1,063.73/x
  3. Step 3: Cross multiply
    3,403.52x = 5,105.73 × 1,063.73
  4. Step 4: Simplify right side
    3,403.52x = 5,431,134.93
  5. Step 5: Solve for x
    x = 5,431,134.93/3,403.52
  6. Step 6: Final answer
    x = 1,595.74

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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.