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Finding the Fourth Proportional to 7,791.73, 10,752.60 and 4,997.23

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Solution

The fourth proportional to 7,791.73, 10,752.60 and 4,997.23 is: 6,896.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,791.73 : 10,752.60 = 4,997.23 : x
  2. Step 2: Convert to fraction form
    7,791.73/10,752.60 = 4,997.23/x
  3. Step 3: Cross multiply
    7,791.73x = 10,752.60 × 4,997.23
  4. Step 4: Simplify right side
    7,791.73x = 53,733,215.30
  5. Step 5: Solve for x
    x = 53,733,215.30/7,791.73
  6. Step 6: Final answer
    x = 6,896.19

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.