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Finding the Fourth Proportional to 4,935.22, 7,404.19 and 2,745.48

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Solution

The fourth proportional to 4,935.22, 7,404.19 and 2,745.48 is: 4,118.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,935.22 : 7,404.19 = 2,745.48 : x
  2. Step 2: Convert to fraction form
    4,935.22/7,404.19 = 2,745.48/x
  3. Step 3: Cross multiply
    4,935.22x = 7,404.19 × 2,745.48
  4. Step 4: Simplify right side
    4,935.22x = 20,328,048.70
  5. Step 5: Solve for x
    x = 20,328,048.70/4,935.22
  6. Step 6: Final answer
    x = 4,118.98

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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.