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Finding the Fourth Proportional to 27,057.92, 40,586.94 and 10,425.79

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Solution

The fourth proportional to 27,057.92, 40,586.94 and 10,425.79 is: 15,638.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,057.92 : 40,586.94 = 10,425.79 : x
  2. Step 2: Convert to fraction form
    27,057.92/40,586.94 = 10,425.79/x
  3. Step 3: Cross multiply
    27,057.92x = 40,586.94 × 10,425.79
  4. Step 4: Simplify right side
    27,057.92x = 423,150,913.18
  5. Step 5: Solve for x
    x = 423,150,913.18/27,057.92
  6. Step 6: Final answer
    x = 15,638.71

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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.