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Finding the Fourth Proportional to 27,489.57, 41,238.39 and 9,955.29

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Solution

The fourth proportional to 27,489.57, 41,238.39 and 9,955.29 is: 14,934.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,489.57 : 41,238.39 = 9,955.29 : x
  2. Step 2: Convert to fraction form
    27,489.57/41,238.39 = 9,955.29/x
  3. Step 3: Cross multiply
    27,489.57x = 41,238.39 × 9,955.29
  4. Step 4: Simplify right side
    27,489.57x = 410,540,131.58
  5. Step 5: Solve for x
    x = 410,540,131.58/27,489.57
  6. Step 6: Final answer
    x = 14,934.40

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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.