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Finding the Fourth Proportional to 43,806.80, 65,719.56 and 16,104.80

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Solution

The fourth proportional to 43,806.80, 65,719.56 and 16,104.80 is: 24,160.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,806.80 : 65,719.56 = 16,104.80 : x
  2. Step 2: Convert to fraction form
    43,806.80/65,719.56 = 16,104.80/x
  3. Step 3: Cross multiply
    43,806.80x = 65,719.56 × 16,104.80
  4. Step 4: Simplify right side
    43,806.80x = 1,058,400,369.89
  5. Step 5: Solve for x
    x = 1,058,400,369.89/43,806.80
  6. Step 6: Final answer
    x = 24,160.64

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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.