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Finding the Fourth Proportional to 27,019.28, 40,528.92 and 7,299.92

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Solution

The fourth proportional to 27,019.28, 40,528.92 and 7,299.92 is: 10,949.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,019.28 : 40,528.92 = 7,299.92 : x
  2. Step 2: Convert to fraction form
    27,019.28/40,528.92 = 7,299.92/x
  3. Step 3: Cross multiply
    27,019.28x = 40,528.92 × 7,299.92
  4. Step 4: Simplify right side
    27,019.28x = 295,857,873.69
  5. Step 5: Solve for x
    x = 295,857,873.69/27,019.28
  6. Step 6: Final answer
    x = 10,949.88

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Similar ratio
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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.