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Finding the Fourth Proportional to 6,679.77, 10,008.71 and 3,556.46

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Solution

The fourth proportional to 6,679.77, 10,008.71 and 3,556.46 is: 5,328.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,679.77 : 10,008.71 = 3,556.46 : x
  2. Step 2: Convert to fraction form
    6,679.77/10,008.71 = 3,556.46/x
  3. Step 3: Cross multiply
    6,679.77x = 10,008.71 × 3,556.46
  4. Step 4: Simplify right side
    6,679.77x = 35,595,561.05
  5. Step 5: Solve for x
    x = 35,595,561.05/6,679.77
  6. Step 6: Final answer
    x = 5,328.86

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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.