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Finding the Fourth Proportional to 17,334.65, 25,993.74 and 8,559.31

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Solution

The fourth proportional to 17,334.65, 25,993.74 and 8,559.31 is: 12,834.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,334.65 : 25,993.74 = 8,559.31 : x
  2. Step 2: Convert to fraction form
    17,334.65/25,993.74 = 8,559.31/x
  3. Step 3: Cross multiply
    17,334.65x = 25,993.74 × 8,559.31
  4. Step 4: Simplify right side
    17,334.65x = 222,488,478.72
  5. Step 5: Solve for x
    x = 222,488,478.72/17,334.65
  6. Step 6: Final answer
    x = 12,834.90

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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.