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Finding the Fourth Proportional to 2,043.73, 3,063.26 and 873.13

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Solution

The fourth proportional to 2,043.73, 3,063.26 and 873.13 is: 1,308.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043.73 : 3,063.26 = 873.13 : x
  2. Step 2: Convert to fraction form
    2,043.73/3,063.26 = 873.13/x
  3. Step 3: Cross multiply
    2,043.73x = 3,063.26 × 873.13
  4. Step 4: Simplify right side
    2,043.73x = 2,674,608.89
  5. Step 5: Solve for x
    x = 2,674,608.89/2,043.73
  6. Step 6: Final answer
    x = 1,308.69

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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.