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Finding the Fourth Proportional to 2,400.62, 3,600.81 and 940.04

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Solution

The fourth proportional to 2,400.62, 3,600.81 and 940.04 is: 1,410.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,400.62 : 3,600.81 = 940.04 : x
  2. Step 2: Convert to fraction form
    2,400.62/3,600.81 = 940.04/x
  3. Step 3: Cross multiply
    2,400.62x = 3,600.81 × 940.04
  4. Step 4: Simplify right side
    2,400.62x = 3,384,905.43
  5. Step 5: Solve for x
    x = 3,384,905.43/2,400.62
  6. Step 6: Final answer
    x = 1,410.01

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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.