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Finding the Fourth Proportional to 3,676.05, 5,514.02 and 902.73

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Solution

The fourth proportional to 3,676.05, 5,514.02 and 902.73 is: 1,354.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,676.05 : 5,514.02 = 902.73 : x
  2. Step 2: Convert to fraction form
    3,676.05/5,514.02 = 902.73/x
  3. Step 3: Cross multiply
    3,676.05x = 5,514.02 × 902.73
  4. Step 4: Simplify right side
    3,676.05x = 4,977,657.49
  5. Step 5: Solve for x
    x = 4,977,657.49/3,676.05
  6. Step 6: Final answer
    x = 1,354.08

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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.