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Finding the Fourth Proportional to 2,938.82, 4,408.27 and 1,295.01

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Solution

The fourth proportional to 2,938.82, 4,408.27 and 1,295.01 is: 1,942.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.82 : 4,408.27 = 1,295.01 : x
  2. Step 2: Convert to fraction form
    2,938.82/4,408.27 = 1,295.01/x
  3. Step 3: Cross multiply
    2,938.82x = 4,408.27 × 1,295.01
  4. Step 4: Simplify right side
    2,938.82x = 5,708,750.50
  5. Step 5: Solve for x
    x = 5,708,750.50/2,938.82
  6. Step 6: Final answer
    x = 1,942.53

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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.