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Finding the Fourth Proportional to 3,382.98, 5,074.88 and 1,191.26

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Solution

The fourth proportional to 3,382.98, 5,074.88 and 1,191.26 is: 1,787.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,382.98 : 5,074.88 = 1,191.26 : x
  2. Step 2: Convert to fraction form
    3,382.98/5,074.88 = 1,191.26/x
  3. Step 3: Cross multiply
    3,382.98x = 5,074.88 × 1,191.26
  4. Step 4: Simplify right side
    3,382.98x = 6,045,501.55
  5. Step 5: Solve for x
    x = 6,045,501.55/3,382.98
  6. Step 6: Final answer
    x = 1,787.03

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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.