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Finding the Fourth Proportional to 14,554.88, 21,834.74 and 5,789.88

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Solution

The fourth proportional to 14,554.88, 21,834.74 and 5,789.88 is: 8,685.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,554.88 : 21,834.74 = 5,789.88 : x
  2. Step 2: Convert to fraction form
    14,554.88/21,834.74 = 5,789.88/x
  3. Step 3: Cross multiply
    14,554.88x = 21,834.74 × 5,789.88
  4. Step 4: Simplify right side
    14,554.88x = 126,420,524.43
  5. Step 5: Solve for x
    x = 126,420,524.43/14,554.88
  6. Step 6: Final answer
    x = 8,685.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.