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Finding the Fourth Proportional to 6,951.10, 10,427.19 and 2,020.82

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Solution

The fourth proportional to 6,951.10, 10,427.19 and 2,020.82 is: 3,031.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,951.10 : 10,427.19 = 2,020.82 : x
  2. Step 2: Convert to fraction form
    6,951.10/10,427.19 = 2,020.82/x
  3. Step 3: Cross multiply
    6,951.10x = 10,427.19 × 2,020.82
  4. Step 4: Simplify right side
    6,951.10x = 21,071,474.10
  5. Step 5: Solve for x
    x = 21,071,474.10/6,951.10
  6. Step 6: Final answer
    x = 3,031.39

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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.