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Finding the Fourth Proportional to 5,266.96, 7,266.14 and 3,028.32

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Solution

The fourth proportional to 5,266.96, 7,266.14 and 3,028.32 is: 4,177.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,266.96 : 7,266.14 = 3,028.32 : x
  2. Step 2: Convert to fraction form
    5,266.96/7,266.14 = 3,028.32/x
  3. Step 3: Cross multiply
    5,266.96x = 7,266.14 × 3,028.32
  4. Step 4: Simplify right side
    5,266.96x = 22,004,197.08
  5. Step 5: Solve for x
    x = 22,004,197.08/5,266.96
  6. Step 6: Final answer
    x = 4,177.78

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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.