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Finding the Fourth Proportional to 3,866.95, 5,336.94 and 2,544.49

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Solution

The fourth proportional to 3,866.95, 5,336.94 and 2,544.49 is: 3,511.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,866.95 : 5,336.94 = 2,544.49 : x
  2. Step 2: Convert to fraction form
    3,866.95/5,336.94 = 2,544.49/x
  3. Step 3: Cross multiply
    3,866.95x = 5,336.94 × 2,544.49
  4. Step 4: Simplify right side
    3,866.95x = 13,579,790.46
  5. Step 5: Solve for x
    x = 13,579,790.46/3,866.95
  6. Step 6: Final answer
    x = 3,511.76

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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.