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Finding the Fourth Proportional to 5,375.93, 8,062.54 and 1,912.37

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Solution

The fourth proportional to 5,375.93, 8,062.54 and 1,912.37 is: 2,868.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.93 : 8,062.54 = 1,912.37 : x
  2. Step 2: Convert to fraction form
    5,375.93/8,062.54 = 1,912.37/x
  3. Step 3: Cross multiply
    5,375.93x = 8,062.54 × 1,912.37
  4. Step 4: Simplify right side
    5,375.93x = 15,418,514.53
  5. Step 5: Solve for x
    x = 15,418,514.53/5,375.93
  6. Step 6: Final answer
    x = 2,868.07

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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.