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Finding the Fourth Proportional to 27,274.88, 40,912.38 and 8,806.88

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Solution

The fourth proportional to 27,274.88, 40,912.38 and 8,806.88 is: 13,210.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,274.88 : 40,912.38 = 8,806.88 : x
  2. Step 2: Convert to fraction form
    27,274.88/40,912.38 = 8,806.88/x
  3. Step 3: Cross multiply
    27,274.88x = 40,912.38 × 8,806.88
  4. Step 4: Simplify right side
    27,274.88x = 360,310,216.61
  5. Step 5: Solve for x
    x = 360,310,216.61/27,274.88
  6. Step 6: Final answer
    x = 13,210.33

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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.