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Finding the Fourth Proportional to 6,634.88, 9,933.60 and 3,507.80

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Solution

The fourth proportional to 6,634.88, 9,933.60 and 3,507.80 is: 5,251.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,634.88 : 9,933.60 = 3,507.80 : x
  2. Step 2: Convert to fraction form
    6,634.88/9,933.60 = 3,507.80/x
  3. Step 3: Cross multiply
    6,634.88x = 9,933.60 × 3,507.80
  4. Step 4: Simplify right side
    6,634.88x = 34,845,082.08
  5. Step 5: Solve for x
    x = 34,845,082.08/6,634.88
  6. Step 6: Final answer
    x = 5,251.80

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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.