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Finding the Fourth Proportional to 30,162.40, 41,662.56 and 23,174.56

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Solution

The fourth proportional to 30,162.40, 41,662.56 and 23,174.56 is: 32,010.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,162.40 : 41,662.56 = 23,174.56 : x
  2. Step 2: Convert to fraction form
    30,162.40/41,662.56 = 23,174.56/x
  3. Step 3: Cross multiply
    30,162.40x = 41,662.56 × 23,174.56
  4. Step 4: Simplify right side
    30,162.40x = 965,511,496.47
  5. Step 5: Solve for x
    x = 965,511,496.47/30,162.40
  6. Step 6: Final answer
    x = 32,010.43

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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.