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Finding the Fourth Proportional to 2,235.64, 3,353.93 and 675.73

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Solution

The fourth proportional to 2,235.64, 3,353.93 and 675.73 is: 1,013.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235.64 : 3,353.93 = 675.73 : x
  2. Step 2: Convert to fraction form
    2,235.64/3,353.93 = 675.73/x
  3. Step 3: Cross multiply
    2,235.64x = 3,353.93 × 675.73
  4. Step 4: Simplify right side
    2,235.64x = 2,266,351.12
  5. Step 5: Solve for x
    x = 2,266,351.12/2,235.64
  6. Step 6: Final answer
    x = 1,013.74

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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.