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Finding the Fourth Proportional to 2,004.39, 3,006.05 and 963.68

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Solution

The fourth proportional to 2,004.39, 3,006.05 and 963.68 is: 1,445.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,004.39 : 3,006.05 = 963.68 : x
  2. Step 2: Convert to fraction form
    2,004.39/3,006.05 = 963.68/x
  3. Step 3: Cross multiply
    2,004.39x = 3,006.05 × 963.68
  4. Step 4: Simplify right side
    2,004.39x = 2,896,850.42
  5. Step 5: Solve for x
    x = 2,896,850.42/2,004.39
  6. Step 6: Final answer
    x = 1,445.25

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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.