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Finding the Fourth Proportional to 6,409.53, 9,615.51 and 2,249.37

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Solution

The fourth proportional to 6,409.53, 9,615.51 and 2,249.37 is: 3,374.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,409.53 : 9,615.51 = 2,249.37 : x
  2. Step 2: Convert to fraction form
    6,409.53/9,615.51 = 2,249.37/x
  3. Step 3: Cross multiply
    6,409.53x = 9,615.51 × 2,249.37
  4. Step 4: Simplify right side
    6,409.53x = 21,628,839.73
  5. Step 5: Solve for x
    x = 21,628,839.73/6,409.53
  6. Step 6: Final answer
    x = 3,374.48

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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.