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Finding the Fourth Proportional to 4,019.52, 5,548.05 and 2,622

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Solution

The fourth proportional to 4,019.52, 5,548.05 and 2,622 is: 3,619.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,019.52 : 5,548.05 = 2,622 : x
  2. Step 2: Convert to fraction form
    4,019.52/5,548.05 = 2,622/x
  3. Step 3: Cross multiply
    4,019.52x = 5,548.05 × 2,622
  4. Step 4: Simplify right side
    4,019.52x = 14,546,987.10
  5. Step 5: Solve for x
    x = 14,546,987.10/4,019.52
  6. Step 6: Final answer
    x = 3,619.09

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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.