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Finding the Fourth Proportional to 7,266.28, 10,027.44 and 3,954.28

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Solution

The fourth proportional to 7,266.28, 10,027.44 and 3,954.28 is: 5,456.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,266.28 : 10,027.44 = 3,954.28 : x
  2. Step 2: Convert to fraction form
    7,266.28/10,027.44 = 3,954.28/x
  3. Step 3: Cross multiply
    7,266.28x = 10,027.44 × 3,954.28
  4. Step 4: Simplify right side
    7,266.28x = 39,651,305.44
  5. Step 5: Solve for x
    x = 39,651,305.44/7,266.28
  6. Step 6: Final answer
    x = 5,456.89

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1.5x scale

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.