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Finding the Fourth Proportional to 54,871.17, 75,722.22 and 29,720.67

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Solution

The fourth proportional to 54,871.17, 75,722.22 and 29,720.67 is: 41,014.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,871.17 : 75,722.22 = 29,720.67 : x
  2. Step 2: Convert to fraction form
    54,871.17/75,722.22 = 29,720.67/x
  3. Step 3: Cross multiply
    54,871.17x = 75,722.22 × 29,720.67
  4. Step 4: Simplify right side
    54,871.17x = 2,250,515,170.68
  5. Step 5: Solve for x
    x = 2,250,515,170.68/54,871.17
  6. Step 6: Final answer
    x = 41,014.53

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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.