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Finding the Fourth Proportional to 50,672.26, 69,934.67 and 29,161.57

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Solution

The fourth proportional to 50,672.26, 69,934.67 and 29,161.57 is: 40,246.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,672.26 : 69,934.67 = 29,161.57 : x
  2. Step 2: Convert to fraction form
    50,672.26/69,934.67 = 29,161.57/x
  3. Step 3: Cross multiply
    50,672.26x = 69,934.67 × 29,161.57
  4. Step 4: Simplify right side
    50,672.26x = 2,039,404,774.63
  5. Step 5: Solve for x
    x = 2,039,404,774.63/50,672.26
  6. Step 6: Final answer
    x = 40,246.97

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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.