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Finding the Fourth Proportional to 27,936.99, 41,877.54 and 15,462.63

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Solution

The fourth proportional to 27,936.99, 41,877.54 and 15,462.63 is: 23,178.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,936.99 : 41,877.54 = 15,462.63 : x
  2. Step 2: Convert to fraction form
    27,936.99/41,877.54 = 15,462.63/x
  3. Step 3: Cross multiply
    27,936.99x = 41,877.54 × 15,462.63
  4. Step 4: Simplify right side
    27,936.99x = 647,536,906.33
  5. Step 5: Solve for x
    x = 647,536,906.33/27,936.99
  6. Step 6: Final answer
    x = 23,178.48

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1.5x scale

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.