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Finding the Fourth Proportional to 13,593.42, 20,390.16 and 3,732.84

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Solution

The fourth proportional to 13,593.42, 20,390.16 and 3,732.84 is: 5,599.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,593.42 : 20,390.16 = 3,732.84 : x
  2. Step 2: Convert to fraction form
    13,593.42/20,390.16 = 3,732.84/x
  3. Step 3: Cross multiply
    13,593.42x = 20,390.16 × 3,732.84
  4. Step 4: Simplify right side
    13,593.42x = 76,113,204.85
  5. Step 5: Solve for x
    x = 76,113,204.85/13,593.42
  6. Step 6: Final answer
    x = 5,599.27

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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.