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Finding the Fourth Proportional to 5,339.95, 7,369.26 and 2,982.26

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Solution

The fourth proportional to 5,339.95, 7,369.26 and 2,982.26 is: 4,115.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,339.95 : 7,369.26 = 2,982.26 : x
  2. Step 2: Convert to fraction form
    5,339.95/7,369.26 = 2,982.26/x
  3. Step 3: Cross multiply
    5,339.95x = 7,369.26 × 2,982.26
  4. Step 4: Simplify right side
    5,339.95x = 21,977,049.33
  5. Step 5: Solve for x
    x = 21,977,049.33/5,339.95
  6. Step 6: Final answer
    x = 4,115.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.