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Finding the Fourth Proportional to 7,299, 10,949.13 and 2,104.88

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Solution

The fourth proportional to 7,299, 10,949.13 and 2,104.88 is: 3,157.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,299 : 10,949.13 = 2,104.88 : x
  2. Step 2: Convert to fraction form
    7,299/10,949.13 = 2,104.88/x
  3. Step 3: Cross multiply
    7,299x = 10,949.13 × 2,104.88
  4. Step 4: Simplify right side
    7,299x = 23,046,550.01
  5. Step 5: Solve for x
    x = 23,046,550.01/7,299
  6. Step 6: Final answer
    x = 3,157.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.