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Finding the Fourth Proportional to 17,930.73, 26,895.79 and 6,243.64

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Solution

The fourth proportional to 17,930.73, 26,895.79 and 6,243.64 is: 9,365.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,930.73 : 26,895.79 = 6,243.64 : x
  2. Step 2: Convert to fraction form
    17,930.73/26,895.79 = 6,243.64/x
  3. Step 3: Cross multiply
    17,930.73x = 26,895.79 × 6,243.64
  4. Step 4: Simplify right side
    17,930.73x = 167,927,755.56
  5. Step 5: Solve for x
    x = 167,927,755.56/17,930.73
  6. Step 6: Final answer
    x = 9,365.36

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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.