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Finding the Fourth Proportional to 27,507.92, 37,961.60 and 16,891.52

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Solution

The fourth proportional to 27,507.92, 37,961.60 and 16,891.52 is: 23,310.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,507.92 : 37,961.60 = 16,891.52 : x
  2. Step 2: Convert to fraction form
    27,507.92/37,961.60 = 16,891.52/x
  3. Step 3: Cross multiply
    27,507.92x = 37,961.60 × 16,891.52
  4. Step 4: Simplify right side
    27,507.92x = 641,229,125.63
  5. Step 5: Solve for x
    x = 641,229,125.63/27,507.92
  6. Step 6: Final answer
    x = 23,310.71

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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.