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Finding the Fourth Proportional to 3,556.71, 4,906.88 and 2,064.08

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Solution

The fourth proportional to 3,556.71, 4,906.88 and 2,064.08 is: 2,847.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.71 : 4,906.88 = 2,064.08 : x
  2. Step 2: Convert to fraction form
    3,556.71/4,906.88 = 2,064.08/x
  3. Step 3: Cross multiply
    3,556.71x = 4,906.88 × 2,064.08
  4. Step 4: Simplify right side
    3,556.71x = 10,128,202.56
  5. Step 5: Solve for x
    x = 10,128,202.56/3,556.71
  6. Step 6: Final answer
    x = 2,847.63

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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.