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Finding the Fourth Proportional to 3,944.95, 5,938.79 and 3,600.49

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Solution

The fourth proportional to 3,944.95, 5,938.79 and 3,600.49 is: 5,420.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.95 : 5,938.79 = 3,600.49 : x
  2. Step 2: Convert to fraction form
    3,944.95/5,938.79 = 3,600.49/x
  3. Step 3: Cross multiply
    3,944.95x = 5,938.79 × 3,600.49
  4. Step 4: Simplify right side
    3,944.95x = 21,382,554.01
  5. Step 5: Solve for x
    x = 21,382,554.01/3,944.95
  6. Step 6: Final answer
    x = 5,420.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.