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Finding the Fourth Proportional to 6,951.80, 10,427.70 and 3,256.62

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Solution

The fourth proportional to 6,951.80, 10,427.70 and 3,256.62 is: 4,884.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,951.80 : 10,427.70 = 3,256.62 : x
  2. Step 2: Convert to fraction form
    6,951.80/10,427.70 = 3,256.62/x
  3. Step 3: Cross multiply
    6,951.80x = 10,427.70 × 3,256.62
  4. Step 4: Simplify right side
    6,951.80x = 33,959,056.37
  5. Step 5: Solve for x
    x = 33,959,056.37/6,951.80
  6. Step 6: Final answer
    x = 4,884.93

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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.