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Finding the Fourth Proportional to 6,791.74, 10,185.48 and 2,631.46

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Solution

The fourth proportional to 6,791.74, 10,185.48 and 2,631.46 is: 3,946.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,791.74 : 10,185.48 = 2,631.46 : x
  2. Step 2: Convert to fraction form
    6,791.74/10,185.48 = 2,631.46/x
  3. Step 3: Cross multiply
    6,791.74x = 10,185.48 × 2,631.46
  4. Step 4: Simplify right side
    6,791.74x = 26,802,683.20
  5. Step 5: Solve for x
    x = 26,802,683.20/6,791.74
  6. Step 6: Final answer
    x = 3,946.36

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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.