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Finding the Fourth Proportional to 3,269.32, 4,904.79 and 960.82

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Solution

The fourth proportional to 3,269.32, 4,904.79 and 960.82 is: 1,441.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.32 : 4,904.79 = 960.82 : x
  2. Step 2: Convert to fraction form
    3,269.32/4,904.79 = 960.82/x
  3. Step 3: Cross multiply
    3,269.32x = 4,904.79 × 960.82
  4. Step 4: Simplify right side
    3,269.32x = 4,712,620.33
  5. Step 5: Solve for x
    x = 4,712,620.33/3,269.32
  6. Step 6: Final answer
    x = 1,441.47

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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.