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Finding the Fourth Proportional to 3,600.75, 4,969.04 and 1,944.75

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Solution

The fourth proportional to 3,600.75, 4,969.04 and 1,944.75 is: 2,683.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.75 : 4,969.04 = 1,944.75 : x
  2. Step 2: Convert to fraction form
    3,600.75/4,969.04 = 1,944.75/x
  3. Step 3: Cross multiply
    3,600.75x = 4,969.04 × 1,944.75
  4. Step 4: Simplify right side
    3,600.75x = 9,663,530.82
  5. Step 5: Solve for x
    x = 9,663,530.82/3,600.75
  6. Step 6: Final answer
    x = 2,683.76

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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.