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Finding the Fourth Proportional to 27,959.28, 41,940.24 and 9,240.99

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Solution

The fourth proportional to 27,959.28, 41,940.24 and 9,240.99 is: 13,861.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,959.28 : 41,940.24 = 9,240.99 : x
  2. Step 2: Convert to fraction form
    27,959.28/41,940.24 = 9,240.99/x
  3. Step 3: Cross multiply
    27,959.28x = 41,940.24 × 9,240.99
  4. Step 4: Simplify right side
    27,959.28x = 387,569,338.44
  5. Step 5: Solve for x
    x = 387,569,338.44/27,959.28
  6. Step 6: Final answer
    x = 13,861.92

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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.