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Finding the Fourth Proportional to 2,568.94, 3,544.94 and 1,449.99

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Solution

The fourth proportional to 2,568.94, 3,544.94 and 1,449.99 is: 2,000.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,568.94 : 3,544.94 = 1,449.99 : x
  2. Step 2: Convert to fraction form
    2,568.94/3,544.94 = 1,449.99/x
  3. Step 3: Cross multiply
    2,568.94x = 3,544.94 × 1,449.99
  4. Step 4: Simplify right side
    2,568.94x = 5,140,122.11
  5. Step 5: Solve for x
    x = 5,140,122.11/2,568.94
  6. Step 6: Final answer
    x = 2,000.87

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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.