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Finding the Fourth Proportional to 43,810.70, 65,716.05 and 16,105.10

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Solution

The fourth proportional to 43,810.70, 65,716.05 and 16,105.10 is: 24,157.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,810.70 : 65,716.05 = 16,105.10 : x
  2. Step 2: Convert to fraction form
    43,810.70/65,716.05 = 16,105.10/x
  3. Step 3: Cross multiply
    43,810.70x = 65,716.05 × 16,105.10
  4. Step 4: Simplify right side
    43,810.70x = 1,058,363,556.86
  5. Step 5: Solve for x
    x = 1,058,363,556.86/43,810.70
  6. Step 6: Final answer
    x = 24,157.65

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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.