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Finding the Fourth Proportional to 1,195.72, 1,793.88 and 676.10

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Solution

The fourth proportional to 1,195.72, 1,793.88 and 676.10 is: 1,014.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195.72 : 1,793.88 = 676.10 : x
  2. Step 2: Convert to fraction form
    1,195.72/1,793.88 = 676.10/x
  3. Step 3: Cross multiply
    1,195.72x = 1,793.88 × 676.10
  4. Step 4: Simplify right side
    1,195.72x = 1,212,846.75
  5. Step 5: Solve for x
    x = 1,212,846.75/1,195.72
  6. Step 6: Final answer
    x = 1,014.33

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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.