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Finding the Fourth Proportional to 1,884.33, 2,826.09 and 960.39

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Solution

The fourth proportional to 1,884.33, 2,826.09 and 960.39 is: 1,440.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,884.33 : 2,826.09 = 960.39 : x
  2. Step 2: Convert to fraction form
    1,884.33/2,826.09 = 960.39/x
  3. Step 3: Cross multiply
    1,884.33x = 2,826.09 × 960.39
  4. Step 4: Simplify right side
    1,884.33x = 2,714,148.58
  5. Step 5: Solve for x
    x = 2,714,148.58/1,884.33
  6. Step 6: Final answer
    x = 1,440.38

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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.