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Finding the Fourth Proportional to 29,563.20, 40,797.16 and 18,952.80

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Solution

The fourth proportional to 29,563.20, 40,797.16 and 18,952.80 is: 26,154.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,563.20 : 40,797.16 = 18,952.80 : x
  2. Step 2: Convert to fraction form
    29,563.20/40,797.16 = 18,952.80/x
  3. Step 3: Cross multiply
    29,563.20x = 40,797.16 × 18,952.80
  4. Step 4: Simplify right side
    29,563.20x = 773,220,414.05
  5. Step 5: Solve for x
    x = 773,220,414.05/29,563.20
  6. Step 6: Final answer
    x = 26,154.83

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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.