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Finding the Fourth Proportional to 3,036.44, 4,554.62 and 845.18

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Solution

The fourth proportional to 3,036.44, 4,554.62 and 845.18 is: 1,267.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.44 : 4,554.62 = 845.18 : x
  2. Step 2: Convert to fraction form
    3,036.44/4,554.62 = 845.18/x
  3. Step 3: Cross multiply
    3,036.44x = 4,554.62 × 845.18
  4. Step 4: Simplify right side
    3,036.44x = 3,849,473.73
  5. Step 5: Solve for x
    x = 3,849,473.73/3,036.44
  6. Step 6: Final answer
    x = 1,267.76

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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.