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Finding the Fourth Proportional to 1,922.72, 2,863.35 and 1,881.72

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Solution

The fourth proportional to 1,922.72, 2,863.35 and 1,881.72 is: 2,802.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.72 : 2,863.35 = 1,881.72 : x
  2. Step 2: Convert to fraction form
    1,922.72/2,863.35 = 1,881.72/x
  3. Step 3: Cross multiply
    1,922.72x = 2,863.35 × 1,881.72
  4. Step 4: Simplify right side
    1,922.72x = 5,388,022.96
  5. Step 5: Solve for x
    x = 5,388,022.96/1,922.72
  6. Step 6: Final answer
    x = 2,802.30

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.