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Finding the Fourth Proportional to 2,067.68, 3,101.46 and 606.86

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Solution

The fourth proportional to 2,067.68, 3,101.46 and 606.86 is: 910.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,067.68 : 3,101.46 = 606.86 : x
  2. Step 2: Convert to fraction form
    2,067.68/3,101.46 = 606.86/x
  3. Step 3: Cross multiply
    2,067.68x = 3,101.46 × 606.86
  4. Step 4: Simplify right side
    2,067.68x = 1,882,152.02
  5. Step 5: Solve for x
    x = 1,882,152.02/2,067.68
  6. Step 6: Final answer
    x = 910.27

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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.