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Finding the Fourth Proportional to 16,920.99, 23,350.68 and 9,367.16

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Solution

The fourth proportional to 16,920.99, 23,350.68 and 9,367.16 is: 12,926.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,920.99 : 23,350.68 = 9,367.16 : x
  2. Step 2: Convert to fraction form
    16,920.99/23,350.68 = 9,367.16/x
  3. Step 3: Cross multiply
    16,920.99x = 23,350.68 × 9,367.16
  4. Step 4: Simplify right side
    16,920.99x = 218,729,555.67
  5. Step 5: Solve for x
    x = 218,729,555.67/16,920.99
  6. Step 6: Final answer
    x = 12,926.52

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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.