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Finding the Fourth Proportional to 3,757.04, 5,640.60 and 2,003.60

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Solution

The fourth proportional to 3,757.04, 5,640.60 and 2,003.60 is: 3,008.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,757.04 : 5,640.60 = 2,003.60 : x
  2. Step 2: Convert to fraction form
    3,757.04/5,640.60 = 2,003.60/x
  3. Step 3: Cross multiply
    3,757.04x = 5,640.60 × 2,003.60
  4. Step 4: Simplify right side
    3,757.04x = 11,301,506.16
  5. Step 5: Solve for x
    x = 11,301,506.16/3,757.04
  6. Step 6: Final answer
    x = 3,008.09

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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.