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Finding the Fourth Proportional to 4,980.73, 7,471.10 and 2,055.82

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Solution

The fourth proportional to 4,980.73, 7,471.10 and 2,055.82 is: 3,083.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.73 : 7,471.10 = 2,055.82 : x
  2. Step 2: Convert to fraction form
    4,980.73/7,471.10 = 2,055.82/x
  3. Step 3: Cross multiply
    4,980.73x = 7,471.10 × 2,055.82
  4. Step 4: Simplify right side
    4,980.73x = 15,359,236.80
  5. Step 5: Solve for x
    x = 15,359,236.80/4,980.73
  6. Step 6: Final answer
    x = 3,083.73

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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.