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Finding the Fourth Proportional to 4,910.37, 7,371.80 and 2,966.37

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Solution

The fourth proportional to 4,910.37, 7,371.80 and 2,966.37 is: 4,453.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.37 : 7,371.80 = 2,966.37 : x
  2. Step 2: Convert to fraction form
    4,910.37/7,371.80 = 2,966.37/x
  3. Step 3: Cross multiply
    4,910.37x = 7,371.80 × 2,966.37
  4. Step 4: Simplify right side
    4,910.37x = 21,867,471.53
  5. Step 5: Solve for x
    x = 21,867,471.53/4,910.37
  6. Step 6: Final answer
    x = 4,453.32

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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.