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Finding the Fourth Proportional to 5,978.14, 8,250.02 and 3,325.57

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Solution

The fourth proportional to 5,978.14, 8,250.02 and 3,325.57 is: 4,589.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,978.14 : 8,250.02 = 3,325.57 : x
  2. Step 2: Convert to fraction form
    5,978.14/8,250.02 = 3,325.57/x
  3. Step 3: Cross multiply
    5,978.14x = 8,250.02 × 3,325.57
  4. Step 4: Simplify right side
    5,978.14x = 27,436,019.01
  5. Step 5: Solve for x
    x = 27,436,019.01/5,978.14
  6. Step 6: Final answer
    x = 4,589.39

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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.