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Finding the Fourth Proportional to 6,938.73, 10,408.10 and 4,015.44

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Solution

The fourth proportional to 6,938.73, 10,408.10 and 4,015.44 is: 6,023.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938.73 : 10,408.10 = 4,015.44 : x
  2. Step 2: Convert to fraction form
    6,938.73/10,408.10 = 4,015.44/x
  3. Step 3: Cross multiply
    6,938.73x = 10,408.10 × 4,015.44
  4. Step 4: Simplify right side
    6,938.73x = 41,793,080.99
  5. Step 5: Solve for x
    x = 41,793,080.99/6,938.73
  6. Step 6: Final answer
    x = 6,023.16

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1.5x scale

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.