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Finding the Fourth Proportional to 20,298.96, 30,274.84 and 19,593.60

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Solution

The fourth proportional to 20,298.96, 30,274.84 and 19,593.60 is: 29,222.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,298.96 : 30,274.84 = 19,593.60 : x
  2. Step 2: Convert to fraction form
    20,298.96/30,274.84 = 19,593.60/x
  3. Step 3: Cross multiply
    20,298.96x = 30,274.84 × 19,593.60
  4. Step 4: Simplify right side
    20,298.96x = 593,193,105.02
  5. Step 5: Solve for x
    x = 593,193,105.02/20,298.96
  6. Step 6: Final answer
    x = 29,222.83

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.