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Finding the Fourth Proportional to 5,676.48, 8,503.60 and 3,203.80

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Solution

The fourth proportional to 5,676.48, 8,503.60 and 3,203.80 is: 4,799.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,676.48 : 8,503.60 = 3,203.80 : x
  2. Step 2: Convert to fraction form
    5,676.48/8,503.60 = 3,203.80/x
  3. Step 3: Cross multiply
    5,676.48x = 8,503.60 × 3,203.80
  4. Step 4: Simplify right side
    5,676.48x = 27,243,833.68
  5. Step 5: Solve for x
    x = 27,243,833.68/5,676.48
  6. Step 6: Final answer
    x = 4,799.42

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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.