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Finding the Fourth Proportional to 5,921.67, 8,881.82 and 4,940.73

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Solution

The fourth proportional to 5,921.67, 8,881.82 and 4,940.73 is: 7,410.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.67 : 8,881.82 = 4,940.73 : x
  2. Step 2: Convert to fraction form
    5,921.67/8,881.82 = 4,940.73/x
  3. Step 3: Cross multiply
    5,921.67x = 8,881.82 × 4,940.73
  4. Step 4: Simplify right side
    5,921.67x = 43,882,668.35
  5. Step 5: Solve for x
    x = 43,882,668.35/5,921.67
  6. Step 6: Final answer
    x = 7,410.52

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Similar ratio
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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.