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Finding the Fourth Proportional to 6,556.76, 9,843.38 and 5,256.72

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Solution

The fourth proportional to 6,556.76, 9,843.38 and 5,256.72 is: 7,891.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,556.76 : 9,843.38 = 5,256.72 : x
  2. Step 2: Convert to fraction form
    6,556.76/9,843.38 = 5,256.72/x
  3. Step 3: Cross multiply
    6,556.76x = 9,843.38 × 5,256.72
  4. Step 4: Simplify right side
    6,556.76x = 51,743,855.03
  5. Step 5: Solve for x
    x = 51,743,855.03/6,556.76
  6. Step 6: Final answer
    x = 7,891.68

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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.