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Finding the Fourth Proportional to 6,979.65, 10,460.95 and 3,276.94

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Solution

The fourth proportional to 6,979.65, 10,460.95 and 3,276.94 is: 4,911.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.65 : 10,460.95 = 3,276.94 : x
  2. Step 2: Convert to fraction form
    6,979.65/10,460.95 = 3,276.94/x
  3. Step 3: Cross multiply
    6,979.65x = 10,460.95 × 3,276.94
  4. Step 4: Simplify right side
    6,979.65x = 34,279,905.49
  5. Step 5: Solve for x
    x = 34,279,905.49/6,979.65
  6. Step 6: Final answer
    x = 4,911.41

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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.