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Finding the Fourth Proportional to 43,967.93, 65,958.04 and 14,379.87

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Solution

The fourth proportional to 43,967.93, 65,958.04 and 14,379.87 is: 21,571.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,967.93 : 65,958.04 = 14,379.87 : x
  2. Step 2: Convert to fraction form
    43,967.93/65,958.04 = 14,379.87/x
  3. Step 3: Cross multiply
    43,967.93x = 65,958.04 × 14,379.87
  4. Step 4: Simplify right side
    43,967.93x = 948,468,040.65
  5. Step 5: Solve for x
    x = 948,468,040.65/43,967.93
  6. Step 6: Final answer
    x = 21,571.81

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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.