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Finding the Fourth Proportional to 6,636.22, 9,946.12 and 3,350.25

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Solution

The fourth proportional to 6,636.22, 9,946.12 and 3,350.25 is: 5,021.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,636.22 : 9,946.12 = 3,350.25 : x
  2. Step 2: Convert to fraction form
    6,636.22/9,946.12 = 3,350.25/x
  3. Step 3: Cross multiply
    6,636.22x = 9,946.12 × 3,350.25
  4. Step 4: Simplify right side
    6,636.22x = 33,321,988.53
  5. Step 5: Solve for x
    x = 33,321,988.53/6,636.22
  6. Step 6: Final answer
    x = 5,021.23

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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.