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Finding the Fourth Proportional to 9,589, 14,383.68 and 2,663.68

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Solution

The fourth proportional to 9,589, 14,383.68 and 2,663.68 is: 3,995.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,589 : 14,383.68 = 2,663.68 : x
  2. Step 2: Convert to fraction form
    9,589/14,383.68 = 2,663.68/x
  3. Step 3: Cross multiply
    9,589x = 14,383.68 × 2,663.68
  4. Step 4: Simplify right side
    9,589x = 38,313,520.74
  5. Step 5: Solve for x
    x = 38,313,520.74/9,589
  6. Step 6: Final answer
    x = 3,995.57

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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.