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Finding the Fourth Proportional to 6,686.44, 9,231.48 and 4,297.48

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Solution

The fourth proportional to 6,686.44, 9,231.48 and 4,297.48 is: 5,933.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,686.44 : 9,231.48 = 4,297.48 : x
  2. Step 2: Convert to fraction form
    6,686.44/9,231.48 = 4,297.48/x
  3. Step 3: Cross multiply
    6,686.44x = 9,231.48 × 4,297.48
  4. Step 4: Simplify right side
    6,686.44x = 39,672,100.67
  5. Step 5: Solve for x
    x = 39,672,100.67/6,686.44
  6. Step 6: Final answer
    x = 5,933.22

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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.