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Finding the Fourth Proportional to 2,603.24, 3,906.39 and 960.93

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Solution

The fourth proportional to 2,603.24, 3,906.39 and 960.93 is: 1,441.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,603.24 : 3,906.39 = 960.93 : x
  2. Step 2: Convert to fraction form
    2,603.24/3,906.39 = 960.93/x
  3. Step 3: Cross multiply
    2,603.24x = 3,906.39 × 960.93
  4. Step 4: Simplify right side
    2,603.24x = 3,753,762.84
  5. Step 5: Solve for x
    x = 3,753,762.84/2,603.24
  6. Step 6: Final answer
    x = 1,441.96

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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.