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Finding the Fourth Proportional to 6,211.70, 9,328.35 and 3,295.70

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Solution

The fourth proportional to 6,211.70, 9,328.35 and 3,295.70 is: 4,949.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,211.70 : 9,328.35 = 3,295.70 : x
  2. Step 2: Convert to fraction form
    6,211.70/9,328.35 = 3,295.70/x
  3. Step 3: Cross multiply
    6,211.70x = 9,328.35 × 3,295.70
  4. Step 4: Simplify right side
    6,211.70x = 30,743,443.10
  5. Step 5: Solve for x
    x = 30,743,443.10/6,211.70
  6. Step 6: Final answer
    x = 4,949.28

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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.