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Finding the Fourth Proportional to 6,691.88, 10,040.88 and 2,993.78

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Solution

The fourth proportional to 6,691.88, 10,040.88 and 2,993.78 is: 4,492.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,691.88 : 10,040.88 = 2,993.78 : x
  2. Step 2: Convert to fraction form
    6,691.88/10,040.88 = 2,993.78/x
  3. Step 3: Cross multiply
    6,691.88x = 10,040.88 × 2,993.78
  4. Step 4: Simplify right side
    6,691.88x = 30,060,185.73
  5. Step 5: Solve for x
    x = 30,060,185.73/6,691.88
  6. Step 6: Final answer
    x = 4,492.04

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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.