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Finding the Fourth Proportional to 2,067.75, 3,101.02 and 606.56

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Solution

The fourth proportional to 2,067.75, 3,101.02 and 606.56 is: 909.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,067.75 : 3,101.02 = 606.56 : x
  2. Step 2: Convert to fraction form
    2,067.75/3,101.02 = 606.56/x
  3. Step 3: Cross multiply
    2,067.75x = 3,101.02 × 606.56
  4. Step 4: Simplify right side
    2,067.75x = 1,880,937.67
  5. Step 5: Solve for x
    x = 1,880,937.67/2,067.75
  6. Step 6: Final answer
    x = 909.65

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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.