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Finding the Fourth Proportional to 6,676.54, 9,203.79 and 5,255.67

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Solution

The fourth proportional to 6,676.54, 9,203.79 and 5,255.67 is: 7,245.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,676.54 : 9,203.79 = 5,255.67 : x
  2. Step 2: Convert to fraction form
    6,676.54/9,203.79 = 5,255.67/x
  3. Step 3: Cross multiply
    6,676.54x = 9,203.79 × 5,255.67
  4. Step 4: Simplify right side
    6,676.54x = 48,372,082.99
  5. Step 5: Solve for x
    x = 48,372,082.99/6,676.54
  6. Step 6: Final answer
    x = 7,245.08

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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.