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Finding the Fourth Proportional to 5,809.44, 8,020.40 and 3,823.44

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Solution

The fourth proportional to 5,809.44, 8,020.40 and 3,823.44 is: 5,278.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,809.44 : 8,020.40 = 3,823.44 : x
  2. Step 2: Convert to fraction form
    5,809.44/8,020.40 = 3,823.44/x
  3. Step 3: Cross multiply
    5,809.44x = 8,020.40 × 3,823.44
  4. Step 4: Simplify right side
    5,809.44x = 30,665,518.18
  5. Step 5: Solve for x
    x = 30,665,518.18/5,809.44
  6. Step 6: Final answer
    x = 5,278.57

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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.