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Finding the Fourth Proportional to 27,195.96, 40,798.26 and 16,819.32

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Solution

The fourth proportional to 27,195.96, 40,798.26 and 16,819.32 is: 25,231.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,195.96 : 40,798.26 = 16,819.32 : x
  2. Step 2: Convert to fraction form
    27,195.96/40,798.26 = 16,819.32/x
  3. Step 3: Cross multiply
    27,195.96x = 40,798.26 × 16,819.32
  4. Step 4: Simplify right side
    27,195.96x = 686,198,990.38
  5. Step 5: Solve for x
    x = 686,198,990.38/27,195.96
  6. Step 6: Final answer
    x = 25,231.65

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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.