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Finding the Fourth Proportional to 2,663.74, 3,676.12 and 1,484.98

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Solution

The fourth proportional to 2,663.74, 3,676.12 and 1,484.98 is: 2,049.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,663.74 : 3,676.12 = 1,484.98 : x
  2. Step 2: Convert to fraction form
    2,663.74/3,676.12 = 1,484.98/x
  3. Step 3: Cross multiply
    2,663.74x = 3,676.12 × 1,484.98
  4. Step 4: Simplify right side
    2,663.74x = 5,458,964.68
  5. Step 5: Solve for x
    x = 5,458,964.68/2,663.74
  6. Step 6: Final answer
    x = 2,049.36

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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.