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Finding the Fourth Proportional to 27,166.28, 40,751.96 and 9,631.92

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Solution

The fourth proportional to 27,166.28, 40,751.96 and 9,631.92 is: 14,448.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,166.28 : 40,751.96 = 9,631.92 : x
  2. Step 2: Convert to fraction form
    27,166.28/40,751.96 = 9,631.92/x
  3. Step 3: Cross multiply
    27,166.28x = 40,751.96 × 9,631.92
  4. Step 4: Simplify right side
    27,166.28x = 392,519,618.56
  5. Step 5: Solve for x
    x = 392,519,618.56/27,166.28
  6. Step 6: Final answer
    x = 14,448.78

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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.