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Finding the Fourth Proportional to 2,745.56, 3,788.84 and 1,486.62

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Solution

The fourth proportional to 2,745.56, 3,788.84 and 1,486.62 is: 2,051.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.56 : 3,788.84 = 1,486.62 : x
  2. Step 2: Convert to fraction form
    2,745.56/3,788.84 = 1,486.62/x
  3. Step 3: Cross multiply
    2,745.56x = 3,788.84 × 1,486.62
  4. Step 4: Simplify right side
    2,745.56x = 5,632,569.04
  5. Step 5: Solve for x
    x = 5,632,569.04/2,745.56
  6. Step 6: Final answer
    x = 2,051.52

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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.