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Finding the Fourth Proportional to 41,378.40, 61,723.44 and 37,392.48

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Solution

The fourth proportional to 41,378.40, 61,723.44 and 37,392.48 is: 55,777.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,378.40 : 61,723.44 = 37,392.48 : x
  2. Step 2: Convert to fraction form
    41,378.40/61,723.44 = 37,392.48/x
  3. Step 3: Cross multiply
    41,378.40x = 61,723.44 × 37,392.48
  4. Step 4: Simplify right side
    41,378.40x = 2,307,992,495.73
  5. Step 5: Solve for x
    x = 2,307,992,495.73/41,378.40
  6. Step 6: Final answer
    x = 55,777.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.