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Finding the Fourth Proportional to 2,663.87, 3,676.19 and 1,484.81

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Solution

The fourth proportional to 2,663.87, 3,676.19 and 1,484.81 is: 2,049.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,663.87 : 3,676.19 = 1,484.81 : x
  2. Step 2: Convert to fraction form
    2,663.87/3,676.19 = 1,484.81/x
  3. Step 3: Cross multiply
    2,663.87x = 3,676.19 × 1,484.81
  4. Step 4: Simplify right side
    2,663.87x = 5,458,436.25
  5. Step 5: Solve for x
    x = 5,458,436.25/2,663.87
  6. Step 6: Final answer
    x = 2,049.06

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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.