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Finding the Fourth Proportional to 3,268.57, 4,902.84 and 960.07

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Solution

The fourth proportional to 3,268.57, 4,902.84 and 960.07 is: 1,440.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.57 : 4,902.84 = 960.07 : x
  2. Step 2: Convert to fraction form
    3,268.57/4,902.84 = 960.07/x
  3. Step 3: Cross multiply
    3,268.57x = 4,902.84 × 960.07
  4. Step 4: Simplify right side
    3,268.57x = 4,707,069.60
  5. Step 5: Solve for x
    x = 4,707,069.60/3,268.57
  6. Step 6: Final answer
    x = 1,440.10

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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.