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Finding the Fourth Proportional to 3,636.54, 5,454.11 and 1,003.39

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Solution

The fourth proportional to 3,636.54, 5,454.11 and 1,003.39 is: 1,504.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.54 : 5,454.11 = 1,003.39 : x
  2. Step 2: Convert to fraction form
    3,636.54/5,454.11 = 1,003.39/x
  3. Step 3: Cross multiply
    3,636.54x = 5,454.11 × 1,003.39
  4. Step 4: Simplify right side
    3,636.54x = 5,472,610.64
  5. Step 5: Solve for x
    x = 5,472,610.64/3,636.54
  6. Step 6: Final answer
    x = 1,504.89

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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.