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Finding the Fourth Proportional to 11,630.54, 17,448.53 and 3,839.34

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Solution

The fourth proportional to 11,630.54, 17,448.53 and 3,839.34 is: 5,759.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,630.54 : 17,448.53 = 3,839.34 : x
  2. Step 2: Convert to fraction form
    11,630.54/17,448.53 = 3,839.34/x
  3. Step 3: Cross multiply
    11,630.54x = 17,448.53 × 3,839.34
  4. Step 4: Simplify right side
    11,630.54x = 66,990,819.97
  5. Step 5: Solve for x
    x = 66,990,819.97/11,630.54
  6. Step 6: Final answer
    x = 5,759.91

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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.