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Finding the Fourth Proportional to 2,568.58, 3,851.43 and 1,106.98

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Solution

The fourth proportional to 2,568.58, 3,851.43 and 1,106.98 is: 1,659.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,568.58 : 3,851.43 = 1,106.98 : x
  2. Step 2: Convert to fraction form
    2,568.58/3,851.43 = 1,106.98/x
  3. Step 3: Cross multiply
    2,568.58x = 3,851.43 × 1,106.98
  4. Step 4: Simplify right side
    2,568.58x = 4,263,455.98
  5. Step 5: Solve for x
    x = 4,263,455.98/2,568.58
  6. Step 6: Final answer
    x = 1,659.85

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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.