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Finding the Fourth Proportional to 1,674.35, 2,511.46 and 797.48

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Solution

The fourth proportional to 1,674.35, 2,511.46 and 797.48 is: 1,196.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674.35 : 2,511.46 = 797.48 : x
  2. Step 2: Convert to fraction form
    1,674.35/2,511.46 = 797.48/x
  3. Step 3: Cross multiply
    1,674.35x = 2,511.46 × 797.48
  4. Step 4: Simplify right side
    1,674.35x = 2,002,836.98
  5. Step 5: Solve for x
    x = 2,002,836.98/1,674.35
  6. Step 6: Final answer
    x = 1,196.19

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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.