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Finding the Fourth Proportional to 1,118.92, 1,676.20 and 733

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Solution

The fourth proportional to 1,118.92, 1,676.20 and 733 is: 1,098.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118.92 : 1,676.20 = 733 : x
  2. Step 2: Convert to fraction form
    1,118.92/1,676.20 = 733/x
  3. Step 3: Cross multiply
    1,118.92x = 1,676.20 × 733
  4. Step 4: Simplify right side
    1,118.92x = 1,228,654.60
  5. Step 5: Solve for x
    x = 1,228,654.60/1,118.92
  6. Step 6: Final answer
    x = 1,098.07

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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.