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Finding the Fourth Proportional to 2,758.37, 3,806.57 and 1,499.45

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Solution

The fourth proportional to 2,758.37, 3,806.57 and 1,499.45 is: 2,069.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758.37 : 3,806.57 = 1,499.45 : x
  2. Step 2: Convert to fraction form
    2,758.37/3,806.57 = 1,499.45/x
  3. Step 3: Cross multiply
    2,758.37x = 3,806.57 × 1,499.45
  4. Step 4: Simplify right side
    2,758.37x = 5,707,734.86
  5. Step 5: Solve for x
    x = 5,707,734.86/2,758.37
  6. Step 6: Final answer
    x = 2,069.25

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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.