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Finding the Fourth Proportional to 24,939.80, 34,410.42 and 14,863.80

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Solution

The fourth proportional to 24,939.80, 34,410.42 and 14,863.80 is: 20,508.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,939.80 : 34,410.42 = 14,863.80 : x
  2. Step 2: Convert to fraction form
    24,939.80/34,410.42 = 14,863.80/x
  3. Step 3: Cross multiply
    24,939.80x = 34,410.42 × 14,863.80
  4. Step 4: Simplify right side
    24,939.80x = 511,469,729.84
  5. Step 5: Solve for x
    x = 511,469,729.84/24,939.80
  6. Step 6: Final answer
    x = 20,508.17

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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.