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Finding the Fourth Proportional to 10,764.50, 14,849.97 and 7,622.42

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Solution

The fourth proportional to 10,764.50, 14,849.97 and 7,622.42 is: 10,515.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,764.50 : 14,849.97 = 7,622.42 : x
  2. Step 2: Convert to fraction form
    10,764.50/14,849.97 = 7,622.42/x
  3. Step 3: Cross multiply
    10,764.50x = 14,849.97 × 7,622.42
  4. Step 4: Simplify right side
    10,764.50x = 113,192,708.33
  5. Step 5: Solve for x
    x = 113,192,708.33/10,764.50
  6. Step 6: Final answer
    x = 10,515.37

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