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Finding the Fourth Proportional to 51,773.88, 71,372.66 and 36,619.32

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Solution

The fourth proportional to 51,773.88, 71,372.66 and 36,619.32 is: 50,481.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,773.88 : 71,372.66 = 36,619.32 : x
  2. Step 2: Convert to fraction form
    51,773.88/71,372.66 = 36,619.32/x
  3. Step 3: Cross multiply
    51,773.88x = 71,372.66 × 36,619.32
  4. Step 4: Simplify right side
    51,773.88x = 2,613,618,275.79
  5. Step 5: Solve for x
    x = 2,613,618,275.79/51,773.88
  6. Step 6: Final answer
    x = 50,481.41

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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.