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Finding the Fourth Proportional to 17,217.56, 25,830.43 and 9,327.96

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Solution

The fourth proportional to 17,217.56, 25,830.43 and 9,327.96 is: 13,994.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,217.56 : 25,830.43 = 9,327.96 : x
  2. Step 2: Convert to fraction form
    17,217.56/25,830.43 = 9,327.96/x
  3. Step 3: Cross multiply
    17,217.56x = 25,830.43 × 9,327.96
  4. Step 4: Simplify right side
    17,217.56x = 240,945,194.50
  5. Step 5: Solve for x
    x = 240,945,194.50/17,217.56
  6. Step 6: Final answer
    x = 13,994.15

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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.