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Finding the Fourth Proportional to 14,636.93, 20,198.87 and 7,922.41

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Solution

The fourth proportional to 14,636.93, 20,198.87 and 7,922.41 is: 10,932.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,636.93 : 20,198.87 = 7,922.41 : x
  2. Step 2: Convert to fraction form
    14,636.93/20,198.87 = 7,922.41/x
  3. Step 3: Cross multiply
    14,636.93x = 20,198.87 × 7,922.41
  4. Step 4: Simplify right side
    14,636.93x = 160,023,639.57
  5. Step 5: Solve for x
    x = 160,023,639.57/14,636.93
  6. Step 6: Final answer
    x = 10,932.87

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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.