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Finding the Fourth Proportional to 5,164.82, 7,127.03 and 3,040.44

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Solution

The fourth proportional to 5,164.82, 7,127.03 and 3,040.44 is: 4,195.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164.82 : 7,127.03 = 3,040.44 : x
  2. Step 2: Convert to fraction form
    5,164.82/7,127.03 = 3,040.44/x
  3. Step 3: Cross multiply
    5,164.82x = 7,127.03 × 3,040.44
  4. Step 4: Simplify right side
    5,164.82x = 21,669,291.89
  5. Step 5: Solve for x
    x = 21,669,291.89/5,164.82
  6. Step 6: Final answer
    x = 4,195.56

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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.