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Finding the Fourth Proportional to 27,959.54, 41,946.81 and 12,167.97

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Solution

The fourth proportional to 27,959.54, 41,946.81 and 12,167.97 is: 18,255.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,959.54 : 41,946.81 = 12,167.97 : x
  2. Step 2: Convert to fraction form
    27,959.54/41,946.81 = 12,167.97/x
  3. Step 3: Cross multiply
    27,959.54x = 41,946.81 × 12,167.97
  4. Step 4: Simplify right side
    27,959.54x = 510,407,464.84
  5. Step 5: Solve for x
    x = 510,407,464.84/27,959.54
  6. Step 6: Final answer
    x = 18,255.22

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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.