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Finding the Fourth Proportional to 2,751.98, 3,797.78 and 1,557.02

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Solution

The fourth proportional to 2,751.98, 3,797.78 and 1,557.02 is: 2,148.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751.98 : 3,797.78 = 1,557.02 : x
  2. Step 2: Convert to fraction form
    2,751.98/3,797.78 = 1,557.02/x
  3. Step 3: Cross multiply
    2,751.98x = 3,797.78 × 1,557.02
  4. Step 4: Simplify right side
    2,751.98x = 5,913,219.42
  5. Step 5: Solve for x
    x = 5,913,219.42/2,751.98
  6. Step 6: Final answer
    x = 2,148.71

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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.