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Finding the Fourth Proportional to 8,798.11, 13,198.37 and 2,956.39

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Solution

The fourth proportional to 8,798.11, 13,198.37 and 2,956.39 is: 4,434.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798.11 : 13,198.37 = 2,956.39 : x
  2. Step 2: Convert to fraction form
    8,798.11/13,198.37 = 2,956.39/x
  3. Step 3: Cross multiply
    8,798.11x = 13,198.37 × 2,956.39
  4. Step 4: Simplify right side
    8,798.11x = 39,019,514.30
  5. Step 5: Solve for x
    x = 39,019,514.30/8,798.11
  6. Step 6: Final answer
    x = 4,434.99

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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.