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Finding the Fourth Proportional to 50,348.57, 69,479.90 and 27,377.90

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Solution

The fourth proportional to 50,348.57, 69,479.90 and 27,377.90 is: 37,780.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,348.57 : 69,479.90 = 27,377.90 : x
  2. Step 2: Convert to fraction form
    50,348.57/69,479.90 = 27,377.90/x
  3. Step 3: Cross multiply
    50,348.57x = 69,479.90 × 27,377.90
  4. Step 4: Simplify right side
    50,348.57x = 1,902,213,269.92
  5. Step 5: Solve for x
    x = 1,902,213,269.92/50,348.57
  6. Step 6: Final answer
    x = 37,780.88

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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.