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Finding the Fourth Proportional to 6,745.44, 9,290.16 and 6,227.04

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Solution

The fourth proportional to 6,745.44, 9,290.16 and 6,227.04 is: 8,576.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,745.44 : 9,290.16 = 6,227.04 : x
  2. Step 2: Convert to fraction form
    6,745.44/9,290.16 = 6,227.04/x
  3. Step 3: Cross multiply
    6,745.44x = 9,290.16 × 6,227.04
  4. Step 4: Simplify right side
    6,745.44x = 57,850,197.93
  5. Step 5: Solve for x
    x = 57,850,197.93/6,745.44
  6. Step 6: Final answer
    x = 8,576.19

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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.