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Finding the Fourth Proportional to 6,287.33, 8,676.75 and 3,769.85

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Solution

The fourth proportional to 6,287.33, 8,676.75 and 3,769.85 is: 5,202.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,287.33 : 8,676.75 = 3,769.85 : x
  2. Step 2: Convert to fraction form
    6,287.33/8,676.75 = 3,769.85/x
  3. Step 3: Cross multiply
    6,287.33x = 8,676.75 × 3,769.85
  4. Step 4: Simplify right side
    6,287.33x = 32,710,045.99
  5. Step 5: Solve for x
    x = 32,710,045.99/6,287.33
  6. Step 6: Final answer
    x = 5,202.53

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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.