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Finding the Fourth Proportional to 55,174.86, 82,704.87 and 25,568.34

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Solution

The fourth proportional to 55,174.86, 82,704.87 and 25,568.34 is: 38,325.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,174.86 : 82,704.87 = 25,568.34 : x
  2. Step 2: Convert to fraction form
    55,174.86/82,704.87 = 25,568.34/x
  3. Step 3: Cross multiply
    55,174.86x = 82,704.87 × 25,568.34
  4. Step 4: Simplify right side
    55,174.86x = 2,114,626,235.82
  5. Step 5: Solve for x
    x = 2,114,626,235.82/55,174.86
  6. Step 6: Final answer
    x = 38,325.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.