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Finding the Fourth Proportional to 2,293.56, 3,441.75 and 906.66

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Solution

The fourth proportional to 2,293.56, 3,441.75 and 906.66 is: 1,360.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,293.56 : 3,441.75 = 906.66 : x
  2. Step 2: Convert to fraction form
    2,293.56/3,441.75 = 906.66/x
  3. Step 3: Cross multiply
    2,293.56x = 3,441.75 × 906.66
  4. Step 4: Simplify right side
    2,293.56x = 3,120,497.06
  5. Step 5: Solve for x
    x = 3,120,497.06/2,293.56
  6. Step 6: Final answer
    x = 1,360.55

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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.