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Finding the Fourth Proportional to 1,674.26, 2,511.36 and 563.92

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Solution

The fourth proportional to 1,674.26, 2,511.36 and 563.92 is: 845.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674.26 : 2,511.36 = 563.92 : x
  2. Step 2: Convert to fraction form
    1,674.26/2,511.36 = 563.92/x
  3. Step 3: Cross multiply
    1,674.26x = 2,511.36 × 563.92
  4. Step 4: Simplify right side
    1,674.26x = 1,416,198.44
  5. Step 5: Solve for x
    x = 1,416,198.44/1,674.26
  6. Step 6: Final answer
    x = 845.87

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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.