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Finding the Fourth Proportional to 6,979.01, 10,472.76 and 3,029.54

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Solution

The fourth proportional to 6,979.01, 10,472.76 and 3,029.54 is: 4,546.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.01 : 10,472.76 = 3,029.54 : x
  2. Step 2: Convert to fraction form
    6,979.01/10,472.76 = 3,029.54/x
  3. Step 3: Cross multiply
    6,979.01x = 10,472.76 × 3,029.54
  4. Step 4: Simplify right side
    6,979.01x = 31,727,592.97
  5. Step 5: Solve for x
    x = 31,727,592.97/6,979.01
  6. Step 6: Final answer
    x = 4,546.15

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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.