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Finding the Fourth Proportional to 27,956.99, 41,935.49 and 19,165.25

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Solution

The fourth proportional to 27,956.99, 41,935.49 and 19,165.25 is: 28,747.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,956.99 : 41,935.49 = 19,165.25 : x
  2. Step 2: Convert to fraction form
    27,956.99/41,935.49 = 19,165.25/x
  3. Step 3: Cross multiply
    27,956.99x = 41,935.49 × 19,165.25
  4. Step 4: Simplify right side
    27,956.99x = 803,703,844.22
  5. Step 5: Solve for x
    x = 803,703,844.22/27,956.99
  6. Step 6: Final answer
    x = 28,747.87

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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.