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Finding the Fourth Proportional to 2,859.10, 3,944.09 and 2,465.44

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Solution

The fourth proportional to 2,859.10, 3,944.09 and 2,465.44 is: 3,401.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859.10 : 3,944.09 = 2,465.44 : x
  2. Step 2: Convert to fraction form
    2,859.10/3,944.09 = 2,465.44/x
  3. Step 3: Cross multiply
    2,859.10x = 3,944.09 × 2,465.44
  4. Step 4: Simplify right side
    2,859.10x = 9,723,913.55
  5. Step 5: Solve for x
    x = 9,723,913.55/2,859.10
  6. Step 6: Final answer
    x = 3,401.04

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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.