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Finding the Fourth Proportional to 9,168.66, 13,753.80 and 3,323.84

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Solution

The fourth proportional to 9,168.66, 13,753.80 and 3,323.84 is: 4,986.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,168.66 : 13,753.80 = 3,323.84 : x
  2. Step 2: Convert to fraction form
    9,168.66/13,753.80 = 3,323.84/x
  3. Step 3: Cross multiply
    9,168.66x = 13,753.80 × 3,323.84
  4. Step 4: Simplify right side
    9,168.66x = 45,715,361.82
  5. Step 5: Solve for x
    x = 45,715,361.82/9,168.66
  6. Step 6: Final answer
    x = 4,986.05

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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.