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Finding the Fourth Proportional to 51,227.92, 70,695.78 and 28,566.69

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Solution

The fourth proportional to 51,227.92, 70,695.78 and 28,566.69 is: 39,422.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,227.92 : 70,695.78 = 28,566.69 : x
  2. Step 2: Convert to fraction form
    51,227.92/70,695.78 = 28,566.69/x
  3. Step 3: Cross multiply
    51,227.92x = 70,695.78 × 28,566.69
  4. Step 4: Simplify right side
    51,227.92x = 2,019,544,431.57
  5. Step 5: Solve for x
    x = 2,019,544,431.57/51,227.92
  6. Step 6: Final answer
    x = 39,422.73

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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.