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Finding the Fourth Proportional to 12,222.68, 16,867.30 and 6,633.68

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Solution

The fourth proportional to 12,222.68, 16,867.30 and 6,633.68 is: 9,154.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,222.68 : 16,867.30 = 6,633.68 : x
  2. Step 2: Convert to fraction form
    12,222.68/16,867.30 = 6,633.68/x
  3. Step 3: Cross multiply
    12,222.68x = 16,867.30 × 6,633.68
  4. Step 4: Simplify right side
    12,222.68x = 111,892,270.66
  5. Step 5: Solve for x
    x = 111,892,270.66/12,222.68
  6. Step 6: Final answer
    x = 9,154.48

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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.