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Finding the Fourth Proportional to 27,469.94, 37,908.09 and 15,532.88

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Solution

The fourth proportional to 27,469.94, 37,908.09 and 15,532.88 is: 21,435.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,469.94 : 37,908.09 = 15,532.88 : x
  2. Step 2: Convert to fraction form
    27,469.94/37,908.09 = 15,532.88/x
  3. Step 3: Cross multiply
    27,469.94x = 37,908.09 × 15,532.88
  4. Step 4: Simplify right side
    27,469.94x = 588,821,813.00
  5. Step 5: Solve for x
    x = 588,821,813.00/27,469.94
  6. Step 6: Final answer
    x = 21,435.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.