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Finding the Fourth Proportional to 11,725.48, 16,181.22 and 6,757.48

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Solution

The fourth proportional to 11,725.48, 16,181.22 and 6,757.48 is: 9,325.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,725.48 : 16,181.22 = 6,757.48 : x
  2. Step 2: Convert to fraction form
    11,725.48/16,181.22 = 6,757.48/x
  3. Step 3: Cross multiply
    11,725.48x = 16,181.22 × 6,757.48
  4. Step 4: Simplify right side
    11,725.48x = 109,344,270.53
  5. Step 5: Solve for x
    x = 109,344,270.53/11,725.48
  6. Step 6: Final answer
    x = 9,325.36

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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.