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Finding the Fourth Proportional to 3,918.33, 5,879.03 and 1,725.52

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Solution

The fourth proportional to 3,918.33, 5,879.03 and 1,725.52 is: 2,588.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918.33 : 5,879.03 = 1,725.52 : x
  2. Step 2: Convert to fraction form
    3,918.33/5,879.03 = 1,725.52/x
  3. Step 3: Cross multiply
    3,918.33x = 5,879.03 × 1,725.52
  4. Step 4: Simplify right side
    3,918.33x = 10,144,383.85
  5. Step 5: Solve for x
    x = 10,144,383.85/3,918.33
  6. Step 6: Final answer
    x = 2,588.96

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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.