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Finding the Fourth Proportional to 2,235.73, 3,352.94 and 675.36

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Solution

The fourth proportional to 2,235.73, 3,352.94 and 675.36 is: 1,012.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235.73 : 3,352.94 = 675.36 : x
  2. Step 2: Convert to fraction form
    2,235.73/3,352.94 = 675.36/x
  3. Step 3: Cross multiply
    2,235.73x = 3,352.94 × 675.36
  4. Step 4: Simplify right side
    2,235.73x = 2,264,453.94
  5. Step 5: Solve for x
    x = 2,264,453.94/2,235.73
  6. Step 6: Final answer
    x = 1,012.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.