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Finding the Fourth Proportional to 2,609.46, 3,595.05 and 1,944.99

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Solution

The fourth proportional to 2,609.46, 3,595.05 and 1,944.99 is: 2,679.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,609.46 : 3,595.05 = 1,944.99 : x
  2. Step 2: Convert to fraction form
    2,609.46/3,595.05 = 1,944.99/x
  3. Step 3: Cross multiply
    2,609.46x = 3,595.05 × 1,944.99
  4. Step 4: Simplify right side
    2,609.46x = 6,992,336.30
  5. Step 5: Solve for x
    x = 6,992,336.30/2,609.46
  6. Step 6: Final answer
    x = 2,679.61

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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.