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Finding the Fourth Proportional to 3,760.88, 5,636.36 and 3,300.80

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Solution

The fourth proportional to 3,760.88, 5,636.36 and 3,300.80 is: 4,946.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.88 : 5,636.36 = 3,300.80 : x
  2. Step 2: Convert to fraction form
    3,760.88/5,636.36 = 3,300.80/x
  3. Step 3: Cross multiply
    3,760.88x = 5,636.36 × 3,300.80
  4. Step 4: Simplify right side
    3,760.88x = 18,604,497.09
  5. Step 5: Solve for x
    x = 18,604,497.09/3,760.88
  6. Step 6: Final answer
    x = 4,946.85

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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.