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Finding the Fourth Proportional to 3,280.95, 4,522.92 and 2,493.63

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Solution

The fourth proportional to 3,280.95, 4,522.92 and 2,493.63 is: 3,437.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.95 : 4,522.92 = 2,493.63 : x
  2. Step 2: Convert to fraction form
    3,280.95/4,522.92 = 2,493.63/x
  3. Step 3: Cross multiply
    3,280.95x = 4,522.92 × 2,493.63
  4. Step 4: Simplify right side
    3,280.95x = 11,278,489.00
  5. Step 5: Solve for x
    x = 11,278,489.00/3,280.95
  6. Step 6: Final answer
    x = 3,437.57

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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.