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Finding the Fourth Proportional to 1,981.94, 2,734.83 and 1,097.62

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Solution

The fourth proportional to 1,981.94, 2,734.83 and 1,097.62 is: 1,514.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981.94 : 2,734.83 = 1,097.62 : x
  2. Step 2: Convert to fraction form
    1,981.94/2,734.83 = 1,097.62/x
  3. Step 3: Cross multiply
    1,981.94x = 2,734.83 × 1,097.62
  4. Step 4: Simplify right side
    1,981.94x = 3,001,804.10
  5. Step 5: Solve for x
    x = 3,001,804.10/1,981.94
  6. Step 6: Final answer
    x = 1,514.58

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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.