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Finding the Fourth Proportional to 29,559.87, 40,793.79 and 16,814.22

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Solution

The fourth proportional to 29,559.87, 40,793.79 and 16,814.22 is: 23,204.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,559.87 : 40,793.79 = 16,814.22 : x
  2. Step 2: Convert to fraction form
    29,559.87/40,793.79 = 16,814.22/x
  3. Step 3: Cross multiply
    29,559.87x = 40,793.79 × 16,814.22
  4. Step 4: Simplify right side
    29,559.87x = 685,915,759.69
  5. Step 5: Solve for x
    x = 685,915,759.69/29,559.87
  6. Step 6: Final answer
    x = 23,204.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.