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Finding the Fourth Proportional to 75,493.76, 104,183.40 and 41,040.81

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Solution

The fourth proportional to 75,493.76, 104,183.40 and 41,040.81 is: 56,637.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,493.76 : 104,183.40 = 41,040.81 : x
  2. Step 2: Convert to fraction form
    75,493.76/104,183.40 = 41,040.81/x
  3. Step 3: Cross multiply
    75,493.76x = 104,183.40 × 41,040.81
  4. Step 4: Simplify right side
    75,493.76x = 4,275,770,919.35
  5. Step 5: Solve for x
    x = 4,275,770,919.35/75,493.76
  6. Step 6: Final answer
    x = 56,637.41

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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.