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Finding the Fourth Proportional to 7,192.87, 9,926.36 and 4,049.17

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Solution

The fourth proportional to 7,192.87, 9,926.36 and 4,049.17 is: 5,587.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.87 : 9,926.36 = 4,049.17 : x
  2. Step 2: Convert to fraction form
    7,192.87/9,926.36 = 4,049.17/x
  3. Step 3: Cross multiply
    7,192.87x = 9,926.36 × 4,049.17
  4. Step 4: Simplify right side
    7,192.87x = 40,193,519.12
  5. Step 5: Solve for x
    x = 40,193,519.12/7,192.87
  6. Step 6: Final answer
    x = 5,587.97

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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.