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Finding the Fourth Proportional to 1,382.67, 2,074.62 and 733.25

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Solution

The fourth proportional to 1,382.67, 2,074.62 and 733.25 is: 1,100.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382.67 : 2,074.62 = 733.25 : x
  2. Step 2: Convert to fraction form
    1,382.67/2,074.62 = 733.25/x
  3. Step 3: Cross multiply
    1,382.67x = 2,074.62 × 733.25
  4. Step 4: Simplify right side
    1,382.67x = 1,521,215.12
  5. Step 5: Solve for x
    x = 1,521,215.12/1,382.67
  6. Step 6: Final answer
    x = 1,100.20

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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.