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Finding the Fourth Proportional to 6,791.72, 10,164.80 and 6,532.92

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Solution

The fourth proportional to 6,791.72, 10,164.80 and 6,532.92 is: 9,777.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,791.72 : 10,164.80 = 6,532.92 : x
  2. Step 2: Convert to fraction form
    6,791.72/10,164.80 = 6,532.92/x
  3. Step 3: Cross multiply
    6,791.72x = 10,164.80 × 6,532.92
  4. Step 4: Simplify right side
    6,791.72x = 66,405,841.55
  5. Step 5: Solve for x
    x = 66,405,841.55/6,791.72
  6. Step 6: Final answer
    x = 9,777.48

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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.