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Finding the Fourth Proportional to 17,857.32, 26,775.94 and 7,324.44

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Solution

The fourth proportional to 17,857.32, 26,775.94 and 7,324.44 is: 10,982.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,857.32 : 26,775.94 = 7,324.44 : x
  2. Step 2: Convert to fraction form
    17,857.32/26,775.94 = 7,324.44/x
  3. Step 3: Cross multiply
    17,857.32x = 26,775.94 × 7,324.44
  4. Step 4: Simplify right side
    17,857.32x = 196,118,765.97
  5. Step 5: Solve for x
    x = 196,118,765.97/17,857.32
  6. Step 6: Final answer
    x = 10,982.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.