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Finding the Fourth Proportional to 2,654.87, 3,981.77 and 1,486.04

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Solution

The fourth proportional to 2,654.87, 3,981.77 and 1,486.04 is: 2,228.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,654.87 : 3,981.77 = 1,486.04 : x
  2. Step 2: Convert to fraction form
    2,654.87/3,981.77 = 1,486.04/x
  3. Step 3: Cross multiply
    2,654.87x = 3,981.77 × 1,486.04
  4. Step 4: Simplify right side
    2,654.87x = 5,917,062.06
  5. Step 5: Solve for x
    x = 5,917,062.06/2,654.87
  6. Step 6: Final answer
    x = 2,228.76

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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.