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Finding the Fourth Proportional to 29,104.94, 40,183.62 and 18,364.88

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Solution

The fourth proportional to 29,104.94, 40,183.62 and 18,364.88 is: 25,355.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,104.94 : 40,183.62 = 18,364.88 : x
  2. Step 2: Convert to fraction form
    29,104.94/40,183.62 = 18,364.88/x
  3. Step 3: Cross multiply
    29,104.94x = 40,183.62 × 18,364.88
  4. Step 4: Simplify right side
    29,104.94x = 737,967,359.27
  5. Step 5: Solve for x
    x = 737,967,359.27/29,104.94
  6. Step 6: Final answer
    x = 25,355.40

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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.