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Finding the Fourth Proportional to 6,608.44, 9,118.81 and 3,623.49

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Solution

The fourth proportional to 6,608.44, 9,118.81 and 3,623.49 is: 4,999.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,608.44 : 9,118.81 = 3,623.49 : x
  2. Step 2: Convert to fraction form
    6,608.44/9,118.81 = 3,623.49/x
  3. Step 3: Cross multiply
    6,608.44x = 9,118.81 × 3,623.49
  4. Step 4: Simplify right side
    6,608.44x = 33,041,887.18
  5. Step 5: Solve for x
    x = 33,041,887.18/6,608.44
  6. Step 6: Final answer
    x = 4,999.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.