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Finding the Fourth Proportional to 17,331.98, 25,993.31 and 8,564.54

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Solution

The fourth proportional to 17,331.98, 25,993.31 and 8,564.54 is: 12,844.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,331.98 : 25,993.31 = 8,564.54 : x
  2. Step 2: Convert to fraction form
    17,331.98/25,993.31 = 8,564.54/x
  3. Step 3: Cross multiply
    17,331.98x = 25,993.31 × 8,564.54
  4. Step 4: Simplify right side
    17,331.98x = 222,620,570.44
  5. Step 5: Solve for x
    x = 222,620,570.44/17,331.98
  6. Step 6: Final answer
    x = 12,844.50

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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.