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Finding the Fourth Proportional to 4,889.57, 6,743.12 and 3,673.44

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Solution

The fourth proportional to 4,889.57, 6,743.12 and 3,673.44 is: 5,065.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889.57 : 6,743.12 = 3,673.44 : x
  2. Step 2: Convert to fraction form
    4,889.57/6,743.12 = 3,673.44/x
  3. Step 3: Cross multiply
    4,889.57x = 6,743.12 × 3,673.44
  4. Step 4: Simplify right side
    4,889.57x = 24,770,428.37
  5. Step 5: Solve for x
    x = 24,770,428.37/4,889.57
  6. Step 6: Final answer
    x = 5,065.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.