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Finding the Fourth Proportional to 2,067.28, 3,100.94 and 606.46

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Solution

The fourth proportional to 2,067.28, 3,100.94 and 606.46 is: 909.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,067.28 : 3,100.94 = 606.46 : x
  2. Step 2: Convert to fraction form
    2,067.28/3,100.94 = 606.46/x
  3. Step 3: Cross multiply
    2,067.28x = 3,100.94 × 606.46
  4. Step 4: Simplify right side
    2,067.28x = 1,880,596.07
  5. Step 5: Solve for x
    x = 1,880,596.07/2,067.28
  6. Step 6: Final answer
    x = 909.70

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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.