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Finding the Fourth Proportional to 17,662.05, 26,496.72 and 7,671.11

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Solution

The fourth proportional to 17,662.05, 26,496.72 and 7,671.11 is: 11,508.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,662.05 : 26,496.72 = 7,671.11 : x
  2. Step 2: Convert to fraction form
    17,662.05/26,496.72 = 7,671.11/x
  3. Step 3: Cross multiply
    17,662.05x = 26,496.72 × 7,671.11
  4. Step 4: Simplify right side
    17,662.05x = 203,259,121.28
  5. Step 5: Solve for x
    x = 203,259,121.28/17,662.05
  6. Step 6: Final answer
    x = 11,508.24

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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.