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Finding the Fourth Proportional to 1,884.02, 2,825.55 and 843.44

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Solution

The fourth proportional to 1,884.02, 2,825.55 and 843.44 is: 1,264.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,884.02 : 2,825.55 = 843.44 : x
  2. Step 2: Convert to fraction form
    1,884.02/2,825.55 = 843.44/x
  3. Step 3: Cross multiply
    1,884.02x = 2,825.55 × 843.44
  4. Step 4: Simplify right side
    1,884.02x = 2,383,167.76
  5. Step 5: Solve for x
    x = 2,383,167.76/1,884.02
  6. Step 6: Final answer
    x = 1,264.94

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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.