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Finding the Fourth Proportional to 1,823.44, 2,736 and 898.96

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Solution

The fourth proportional to 1,823.44, 2,736 and 898.96 is: 1,348.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823.44 : 2,736 = 898.96 : x
  2. Step 2: Convert to fraction form
    1,823.44/2,736 = 898.96/x
  3. Step 3: Cross multiply
    1,823.44x = 2,736 × 898.96
  4. Step 4: Simplify right side
    1,823.44x = 2,459,554.56
  5. Step 5: Solve for x
    x = 2,459,554.56/1,823.44
  6. Step 6: Final answer
    x = 1,348.85

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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.