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Finding the Fourth Proportional to 1,650.60, 2,474.55 and 676.44

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Solution

The fourth proportional to 1,650.60, 2,474.55 and 676.44 is: 1,014.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650.60 : 2,474.55 = 676.44 : x
  2. Step 2: Convert to fraction form
    1,650.60/2,474.55 = 676.44/x
  3. Step 3: Cross multiply
    1,650.60x = 2,474.55 × 676.44
  4. Step 4: Simplify right side
    1,650.60x = 1,673,884.60
  5. Step 5: Solve for x
    x = 1,673,884.60/1,650.60
  6. Step 6: Final answer
    x = 1,014.11

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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.