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Finding the Fourth Proportional to 2,063.26, 3,093.49 and 764.02

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Solution

The fourth proportional to 2,063.26, 3,093.49 and 764.02 is: 1,145.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,063.26 : 3,093.49 = 764.02 : x
  2. Step 2: Convert to fraction form
    2,063.26/3,093.49 = 764.02/x
  3. Step 3: Cross multiply
    2,063.26x = 3,093.49 × 764.02
  4. Step 4: Simplify right side
    2,063.26x = 2,363,488.23
  5. Step 5: Solve for x
    x = 2,363,488.23/2,063.26
  6. Step 6: Final answer
    x = 1,145.51

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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.