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Finding the Fourth Proportional to 3,614.72, 4,986.04 and 2,774.16

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Solution

The fourth proportional to 3,614.72, 4,986.04 and 2,774.16 is: 3,826.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.72 : 4,986.04 = 2,774.16 : x
  2. Step 2: Convert to fraction form
    3,614.72/4,986.04 = 2,774.16/x
  3. Step 3: Cross multiply
    3,614.72x = 4,986.04 × 2,774.16
  4. Step 4: Simplify right side
    3,614.72x = 13,832,072.73
  5. Step 5: Solve for x
    x = 13,832,072.73/3,614.72
  6. Step 6: Final answer
    x = 3,826.60

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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.