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Finding the Fourth Proportional to 36,679.12, 55,050.11 and 36,403.01

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Solution

The fourth proportional to 36,679.12, 55,050.11 and 36,403.01 is: 54,635.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,679.12 : 55,050.11 = 36,403.01 : x
  2. Step 2: Convert to fraction form
    36,679.12/55,050.11 = 36,403.01/x
  3. Step 3: Cross multiply
    36,679.12x = 55,050.11 × 36,403.01
  4. Step 4: Simplify right side
    36,679.12x = 2,003,989,704.83
  5. Step 5: Solve for x
    x = 2,003,989,704.83/36,679.12
  6. Step 6: Final answer
    x = 54,635.71

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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.