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Finding the Fourth Proportional to 27,296.56, 40,939.91 and 7,576.70

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Solution

The fourth proportional to 27,296.56, 40,939.91 and 7,576.70 is: 11,363.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,296.56 : 40,939.91 = 7,576.70 : x
  2. Step 2: Convert to fraction form
    27,296.56/40,939.91 = 7,576.70/x
  3. Step 3: Cross multiply
    27,296.56x = 40,939.91 × 7,576.70
  4. Step 4: Simplify right side
    27,296.56x = 310,189,416.10
  5. Step 5: Solve for x
    x = 310,189,416.10/27,296.56
  6. Step 6: Final answer
    x = 11,363.68

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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.