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Finding the Fourth Proportional to 29,560.20, 40,793.98 and 16,815.23

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Solution

The fourth proportional to 29,560.20, 40,793.98 and 16,815.23 is: 23,205.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,560.20 : 40,793.98 = 16,815.23 : x
  2. Step 2: Convert to fraction form
    29,560.20/40,793.98 = 16,815.23/x
  3. Step 3: Cross multiply
    29,560.20x = 40,793.98 × 16,815.23
  4. Step 4: Simplify right side
    29,560.20x = 685,959,868.27
  5. Step 5: Solve for x
    x = 685,959,868.27/29,560.20
  6. Step 6: Final answer
    x = 23,205.53

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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.