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Finding the Fourth Proportional to 2,758.26, 3,806.45 and 1,499.32

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Solution

The fourth proportional to 2,758.26, 3,806.45 and 1,499.32 is: 2,069.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758.26 : 3,806.45 = 1,499.32 : x
  2. Step 2: Convert to fraction form
    2,758.26/3,806.45 = 1,499.32/x
  3. Step 3: Cross multiply
    2,758.26x = 3,806.45 × 1,499.32
  4. Step 4: Simplify right side
    2,758.26x = 5,707,086.61
  5. Step 5: Solve for x
    x = 5,707,086.61/2,758.26
  6. Step 6: Final answer
    x = 2,069.09

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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.