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Finding the Fourth Proportional to 3,600.56, 5,401.15 and 1,003.50

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Solution

The fourth proportional to 3,600.56, 5,401.15 and 1,003.50 is: 1,505.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.56 : 5,401.15 = 1,003.50 : x
  2. Step 2: Convert to fraction form
    3,600.56/5,401.15 = 1,003.50/x
  3. Step 3: Cross multiply
    3,600.56x = 5,401.15 × 1,003.50
  4. Step 4: Simplify right side
    3,600.56x = 5,420,051.52
  5. Step 5: Solve for x
    x = 5,420,051.52/3,600.56
  6. Step 6: Final answer
    x = 1,505.33

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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.