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Finding the Fourth Proportional to 8,979.03, 13,470.69 and 4,525.76

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Solution

The fourth proportional to 8,979.03, 13,470.69 and 4,525.76 is: 6,789.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979.03 : 13,470.69 = 4,525.76 : x
  2. Step 2: Convert to fraction form
    8,979.03/13,470.69 = 4,525.76/x
  3. Step 3: Cross multiply
    8,979.03x = 13,470.69 × 4,525.76
  4. Step 4: Simplify right side
    8,979.03x = 60,965,042.62
  5. Step 5: Solve for x
    x = 60,965,042.62/8,979.03
  6. Step 6: Final answer
    x = 6,789.71

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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.