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Finding the Fourth Proportional to 5,045.27, 7,574.38 and 2,738.39

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Solution

The fourth proportional to 5,045.27, 7,574.38 and 2,738.39 is: 4,111.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,045.27 : 7,574.38 = 2,738.39 : x
  2. Step 2: Convert to fraction form
    5,045.27/7,574.38 = 2,738.39/x
  3. Step 3: Cross multiply
    5,045.27x = 7,574.38 × 2,738.39
  4. Step 4: Simplify right side
    5,045.27x = 20,741,561.73
  5. Step 5: Solve for x
    x = 20,741,561.73/5,045.27
  6. Step 6: Final answer
    x = 4,111.09

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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.