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Finding the Fourth Proportional to 2,207.99, 3,046.99 and 1,213.24

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Solution

The fourth proportional to 2,207.99, 3,046.99 and 1,213.24 is: 1,674.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.99 : 3,046.99 = 1,213.24 : x
  2. Step 2: Convert to fraction form
    2,207.99/3,046.99 = 1,213.24/x
  3. Step 3: Cross multiply
    2,207.99x = 3,046.99 × 1,213.24
  4. Step 4: Simplify right side
    2,207.99x = 3,696,738.74
  5. Step 5: Solve for x
    x = 3,696,738.74/2,207.99
  6. Step 6: Final answer
    x = 1,674.26

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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.