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Finding the Fourth Proportional to 6,663.94, 9,981.51 and 3,369.22

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Solution

The fourth proportional to 6,663.94, 9,981.51 and 3,369.22 is: 5,046.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,663.94 : 9,981.51 = 3,369.22 : x
  2. Step 2: Convert to fraction form
    6,663.94/9,981.51 = 3,369.22/x
  3. Step 3: Cross multiply
    6,663.94x = 9,981.51 × 3,369.22
  4. Step 4: Simplify right side
    6,663.94x = 33,629,903.12
  5. Step 5: Solve for x
    x = 33,629,903.12/6,663.94
  6. Step 6: Final answer
    x = 5,046.55

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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.