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Finding the Fourth Proportional to 4,487.49, 6,194.41 and 3,855.49

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Solution

The fourth proportional to 4,487.49, 6,194.41 and 3,855.49 is: 5,322.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,487.49 : 6,194.41 = 3,855.49 : x
  2. Step 2: Convert to fraction form
    4,487.49/6,194.41 = 3,855.49/x
  3. Step 3: Cross multiply
    4,487.49x = 6,194.41 × 3,855.49
  4. Step 4: Simplify right side
    4,487.49x = 23,882,460.69
  5. Step 5: Solve for x
    x = 23,882,460.69/4,487.49
  6. Step 6: Final answer
    x = 5,322.01

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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.