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Finding the Fourth Proportional to 3,676.94, 5,508.10 and 3,285.11

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Solution

The fourth proportional to 3,676.94, 5,508.10 and 3,285.11 is: 4,921.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,676.94 : 5,508.10 = 3,285.11 : x
  2. Step 2: Convert to fraction form
    3,676.94/5,508.10 = 3,285.11/x
  3. Step 3: Cross multiply
    3,676.94x = 5,508.10 × 3,285.11
  4. Step 4: Simplify right side
    3,676.94x = 18,094,701.28
  5. Step 5: Solve for x
    x = 18,094,701.28/3,676.94
  6. Step 6: Final answer
    x = 4,921.12

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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.