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Finding the Fourth Proportional to 6,805.05, 9,388.54 and 4,448.55

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Solution

The fourth proportional to 6,805.05, 9,388.54 and 4,448.55 is: 6,137.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,805.05 : 9,388.54 = 4,448.55 : x
  2. Step 2: Convert to fraction form
    6,805.05/9,388.54 = 4,448.55/x
  3. Step 3: Cross multiply
    6,805.05x = 9,388.54 × 4,448.55
  4. Step 4: Simplify right side
    6,805.05x = 41,765,430.38
  5. Step 5: Solve for x
    x = 41,765,430.38/6,805.05
  6. Step 6: Final answer
    x = 6,137.42

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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.