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Finding the Fourth Proportional to 5,539, 7,644.06 and 3,055

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Solution

The fourth proportional to 5,539, 7,644.06 and 3,055 is: 4,216.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539 : 7,644.06 = 3,055 : x
  2. Step 2: Convert to fraction form
    5,539/7,644.06 = 3,055/x
  3. Step 3: Cross multiply
    5,539x = 7,644.06 × 3,055
  4. Step 4: Simplify right side
    5,539x = 23,352,603.30
  5. Step 5: Solve for x
    x = 23,352,603.30/5,539
  6. Step 6: Final answer
    x = 4,216.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.