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Finding the Fourth Proportional to 51,674.59, 77,439.71 and 27,930.96

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Solution

The fourth proportional to 51,674.59, 77,439.71 and 27,930.96 is: 41,857.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,674.59 : 77,439.71 = 27,930.96 : x
  2. Step 2: Convert to fraction form
    51,674.59/77,439.71 = 27,930.96/x
  3. Step 3: Cross multiply
    51,674.59x = 77,439.71 × 27,930.96
  4. Step 4: Simplify right side
    51,674.59x = 2,162,965,512.25
  5. Step 5: Solve for x
    x = 2,162,965,512.25/51,674.59
  6. Step 6: Final answer
    x = 41,857.43

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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.