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Finding the Fourth Proportional to 2,961.66, 4,442.03 and 1,013.41

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Solution

The fourth proportional to 2,961.66, 4,442.03 and 1,013.41 is: 1,519.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.66 : 4,442.03 = 1,013.41 : x
  2. Step 2: Convert to fraction form
    2,961.66/4,442.03 = 1,013.41/x
  3. Step 3: Cross multiply
    2,961.66x = 4,442.03 × 1,013.41
  4. Step 4: Simplify right side
    2,961.66x = 4,501,592.56
  5. Step 5: Solve for x
    x = 4,501,592.56/2,961.66
  6. Step 6: Final answer
    x = 1,519.96

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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.