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Finding the Fourth Proportional to 2,366.75, 3,551.07 and 906.05

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Solution

The fourth proportional to 2,366.75, 3,551.07 and 906.05 is: 1,359.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,366.75 : 3,551.07 = 906.05 : x
  2. Step 2: Convert to fraction form
    2,366.75/3,551.07 = 906.05/x
  3. Step 3: Cross multiply
    2,366.75x = 3,551.07 × 906.05
  4. Step 4: Simplify right side
    2,366.75x = 3,217,446.97
  5. Step 5: Solve for x
    x = 3,217,446.97/2,366.75
  6. Step 6: Final answer
    x = 1,359.44

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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.