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Finding the Fourth Proportional to 3,808.38, 5,712.72 and 3,600.60

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Solution

The fourth proportional to 3,808.38, 5,712.72 and 3,600.60 is: 5,401.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808.38 : 5,712.72 = 3,600.60 : x
  2. Step 2: Convert to fraction form
    3,808.38/5,712.72 = 3,600.60/x
  3. Step 3: Cross multiply
    3,808.38x = 5,712.72 × 3,600.60
  4. Step 4: Simplify right side
    3,808.38x = 20,569,219.63
  5. Step 5: Solve for x
    x = 20,569,219.63/3,808.38
  6. Step 6: Final answer
    x = 5,401.04

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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.