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Finding the Fourth Proportional to 6,939.44, 9,573.49 and 4,251.71

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Solution

The fourth proportional to 6,939.44, 9,573.49 and 4,251.71 is: 5,865.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.44 : 9,573.49 = 4,251.71 : x
  2. Step 2: Convert to fraction form
    6,939.44/9,573.49 = 4,251.71/x
  3. Step 3: Cross multiply
    6,939.44x = 9,573.49 × 4,251.71
  4. Step 4: Simplify right side
    6,939.44x = 40,703,678.57
  5. Step 5: Solve for x
    x = 40,703,678.57/6,939.44
  6. Step 6: Final answer
    x = 5,865.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.