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Finding the Fourth Proportional to 6,610.92, 9,907.74 and 2,714.28

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Solution

The fourth proportional to 6,610.92, 9,907.74 and 2,714.28 is: 4,067.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,610.92 : 9,907.74 = 2,714.28 : x
  2. Step 2: Convert to fraction form
    6,610.92/9,907.74 = 2,714.28/x
  3. Step 3: Cross multiply
    6,610.92x = 9,907.74 × 2,714.28
  4. Step 4: Simplify right side
    6,610.92x = 26,892,380.53
  5. Step 5: Solve for x
    x = 26,892,380.53/6,610.92
  6. Step 6: Final answer
    x = 4,067.87

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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.