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Finding the Fourth Proportional to 7,069.70, 9,755.16 and 4,236.44

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Solution

The fourth proportional to 7,069.70, 9,755.16 and 4,236.44 is: 5,845.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,069.70 : 9,755.16 = 4,236.44 : x
  2. Step 2: Convert to fraction form
    7,069.70/9,755.16 = 4,236.44/x
  3. Step 3: Cross multiply
    7,069.70x = 9,755.16 × 4,236.44
  4. Step 4: Simplify right side
    7,069.70x = 41,327,150.03
  5. Step 5: Solve for x
    x = 41,327,150.03/7,069.70
  6. Step 6: Final answer
    x = 5,845.67

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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.