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Finding the Fourth Proportional to 3,673.26, 5,500.05 and 3,090.06

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Solution

The fourth proportional to 3,673.26, 5,500.05 and 3,090.06 is: 4,626.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,673.26 : 5,500.05 = 3,090.06 : x
  2. Step 2: Convert to fraction form
    3,673.26/5,500.05 = 3,090.06/x
  3. Step 3: Cross multiply
    3,673.26x = 5,500.05 × 3,090.06
  4. Step 4: Simplify right side
    3,673.26x = 16,995,484.50
  5. Step 5: Solve for x
    x = 16,995,484.50/3,673.26
  6. Step 6: Final answer
    x = 4,626.81

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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.