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Finding the Fourth Proportional to 27,171, 37,558.74 and 22,668.48

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Solution

The fourth proportional to 27,171, 37,558.74 and 22,668.48 is: 31,334.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,171 : 37,558.74 = 22,668.48 : x
  2. Step 2: Convert to fraction form
    27,171/37,558.74 = 22,668.48/x
  3. Step 3: Cross multiply
    27,171x = 37,558.74 × 22,668.48
  4. Step 4: Simplify right side
    27,171x = 851,399,546.52
  5. Step 5: Solve for x
    x = 851,399,546.52/27,171
  6. Step 6: Final answer
    x = 31,334.86

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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.