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Finding the Fourth Proportional to 3,745.41, 5,618.12 and 1,009.41

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Solution

The fourth proportional to 3,745.41, 5,618.12 and 1,009.41 is: 1,514.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.41 : 5,618.12 = 1,009.41 : x
  2. Step 2: Convert to fraction form
    3,745.41/5,618.12 = 1,009.41/x
  3. Step 3: Cross multiply
    3,745.41x = 5,618.12 × 1,009.41
  4. Step 4: Simplify right side
    3,745.41x = 5,670,960.39
  5. Step 5: Solve for x
    x = 5,670,960.39/3,745.41
  6. Step 6: Final answer
    x = 1,514.11

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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.