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Finding the Fourth Proportional to 7,111.56, 10,672.20 and 2,494.56

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Solution

The fourth proportional to 7,111.56, 10,672.20 and 2,494.56 is: 3,743.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111.56 : 10,672.20 = 2,494.56 : x
  2. Step 2: Convert to fraction form
    7,111.56/10,672.20 = 2,494.56/x
  3. Step 3: Cross multiply
    7,111.56x = 10,672.20 × 2,494.56
  4. Step 4: Simplify right side
    7,111.56x = 26,622,443.23
  5. Step 5: Solve for x
    x = 26,622,443.23/7,111.56
  6. Step 6: Final answer
    x = 3,743.54

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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.