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Finding the Fourth Proportional to 6,791.76, 10,185.48 and 2,631.48

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Solution

The fourth proportional to 6,791.76, 10,185.48 and 2,631.48 is: 3,946.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,791.76 : 10,185.48 = 2,631.48 : x
  2. Step 2: Convert to fraction form
    6,791.76/10,185.48 = 2,631.48/x
  3. Step 3: Cross multiply
    6,791.76x = 10,185.48 × 2,631.48
  4. Step 4: Simplify right side
    6,791.76x = 26,802,886.91
  5. Step 5: Solve for x
    x = 26,802,886.91/6,791.76
  6. Step 6: Final answer
    x = 3,946.38

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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.