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Finding the Fourth Proportional to 9,651.92, 14,476.92 and 3,082.80

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Solution

The fourth proportional to 9,651.92, 14,476.92 and 3,082.80 is: 4,623.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,651.92 : 14,476.92 = 3,082.80 : x
  2. Step 2: Convert to fraction form
    9,651.92/14,476.92 = 3,082.80/x
  3. Step 3: Cross multiply
    9,651.92x = 14,476.92 × 3,082.80
  4. Step 4: Simplify right side
    9,651.92x = 44,629,448.98
  5. Step 5: Solve for x
    x = 44,629,448.98/9,651.92
  6. Step 6: Final answer
    x = 4,623.89

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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.