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Finding the Fourth Proportional to 4,890.18, 7,325.13 and 3,241.44

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Solution

The fourth proportional to 4,890.18, 7,325.13 and 3,241.44 is: 4,855.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.18 : 7,325.13 = 3,241.44 : x
  2. Step 2: Convert to fraction form
    4,890.18/7,325.13 = 3,241.44/x
  3. Step 3: Cross multiply
    4,890.18x = 7,325.13 × 3,241.44
  4. Step 4: Simplify right side
    4,890.18x = 23,743,969.39
  5. Step 5: Solve for x
    x = 23,743,969.39/4,890.18
  6. Step 6: Final answer
    x = 4,855.44

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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.