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Finding the Fourth Proportional to 7,193.60, 9,926.78 and 4,049.99

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Solution

The fourth proportional to 7,193.60, 9,926.78 and 4,049.99 is: 5,588.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,193.60 : 9,926.78 = 4,049.99 : x
  2. Step 2: Convert to fraction form
    7,193.60/9,926.78 = 4,049.99/x
  3. Step 3: Cross multiply
    7,193.60x = 9,926.78 × 4,049.99
  4. Step 4: Simplify right side
    7,193.60x = 40,203,289.85
  5. Step 5: Solve for x
    x = 40,203,289.85/7,193.60
  6. Step 6: Final answer
    x = 5,588.76

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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.