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Finding the Fourth Proportional to 2,895.52, 3,994.32 and 2,012.08

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Solution

The fourth proportional to 2,895.52, 3,994.32 and 2,012.08 is: 2,775.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895.52 : 3,994.32 = 2,012.08 : x
  2. Step 2: Convert to fraction form
    2,895.52/3,994.32 = 2,012.08/x
  3. Step 3: Cross multiply
    2,895.52x = 3,994.32 × 2,012.08
  4. Step 4: Simplify right side
    2,895.52x = 8,036,891.39
  5. Step 5: Solve for x
    x = 8,036,891.39/2,895.52
  6. Step 6: Final answer
    x = 2,775.63

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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.