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Finding the Fourth Proportional to 5,270.67, 7,907.09 and 3,627.99

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Solution

The fourth proportional to 5,270.67, 7,907.09 and 3,627.99 is: 5,442.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.67 : 7,907.09 = 3,627.99 : x
  2. Step 2: Convert to fraction form
    5,270.67/7,907.09 = 3,627.99/x
  3. Step 3: Cross multiply
    5,270.67x = 7,907.09 × 3,627.99
  4. Step 4: Simplify right side
    5,270.67x = 28,686,825.31
  5. Step 5: Solve for x
    x = 28,686,825.31/5,270.67
  6. Step 6: Final answer
    x = 5,442.73

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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.