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Finding the Fourth Proportional to 2,774, 3,826.56 and 1,828.82

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Solution

The fourth proportional to 2,774, 3,826.56 and 1,828.82 is: 2,522.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774 : 3,826.56 = 1,828.82 : x
  2. Step 2: Convert to fraction form
    2,774/3,826.56 = 1,828.82/x
  3. Step 3: Cross multiply
    2,774x = 3,826.56 × 1,828.82
  4. Step 4: Simplify right side
    2,774x = 6,998,089.46
  5. Step 5: Solve for x
    x = 6,998,089.46/2,774
  6. Step 6: Final answer
    x = 2,522.74

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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.