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Finding the Fourth Proportional to 11,343.20, 16,984.08 and 5,859.68

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Solution

The fourth proportional to 11,343.20, 16,984.08 and 5,859.68 is: 8,773.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,343.20 : 16,984.08 = 5,859.68 : x
  2. Step 2: Convert to fraction form
    11,343.20/16,984.08 = 5,859.68/x
  3. Step 3: Cross multiply
    11,343.20x = 16,984.08 × 5,859.68
  4. Step 4: Simplify right side
    11,343.20x = 99,521,273.89
  5. Step 5: Solve for x
    x = 99,521,273.89/11,343.20
  6. Step 6: Final answer
    x = 8,773.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.