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Finding the Fourth Proportional to 4,408.77, 6,082 and 2,640.03

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Solution

The fourth proportional to 4,408.77, 6,082 and 2,640.03 is: 3,641.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,408.77 : 6,082 = 2,640.03 : x
  2. Step 2: Convert to fraction form
    4,408.77/6,082 = 2,640.03/x
  3. Step 3: Cross multiply
    4,408.77x = 6,082 × 2,640.03
  4. Step 4: Simplify right side
    4,408.77x = 16,056,662.46
  5. Step 5: Solve for x
    x = 16,056,662.46/4,408.77
  6. Step 6: Final answer
    x = 3,641.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.