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Finding the Fourth Proportional to 5,974.88, 8,967 and 4,138.88

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Solution

The fourth proportional to 5,974.88, 8,967 and 4,138.88 is: 6,211.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,974.88 : 8,967 = 4,138.88 : x
  2. Step 2: Convert to fraction form
    5,974.88/8,967 = 4,138.88/x
  3. Step 3: Cross multiply
    5,974.88x = 8,967 × 4,138.88
  4. Step 4: Simplify right side
    5,974.88x = 37,113,336.96
  5. Step 5: Solve for x
    x = 37,113,336.96/5,974.88
  6. Step 6: Final answer
    x = 6,211.56

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1.5x scale

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.