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Finding the Fourth Proportional to 6,170, 9,256.44 and 2,066

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Solution

The fourth proportional to 6,170, 9,256.44 and 2,066 is: 3,099.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,170 : 9,256.44 = 2,066 : x
  2. Step 2: Convert to fraction form
    6,170/9,256.44 = 2,066/x
  3. Step 3: Cross multiply
    6,170x = 9,256.44 × 2,066
  4. Step 4: Simplify right side
    6,170x = 19,123,805.04
  5. Step 5: Solve for x
    x = 19,123,805.04/6,170
  6. Step 6: Final answer
    x = 3,099.48

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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.