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Finding the Fourth Proportional to 6,799.44, 9,388.76 and 5,540.68

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Solution

The fourth proportional to 6,799.44, 9,388.76 and 5,540.68 is: 7,650.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,799.44 : 9,388.76 = 5,540.68 : x
  2. Step 2: Convert to fraction form
    6,799.44/9,388.76 = 5,540.68/x
  3. Step 3: Cross multiply
    6,799.44x = 9,388.76 × 5,540.68
  4. Step 4: Simplify right side
    6,799.44x = 52,020,114.76
  5. Step 5: Solve for x
    x = 52,020,114.76/6,799.44
  6. Step 6: Final answer
    x = 7,650.65

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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.