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Finding the Fourth Proportional to 49,953.88, 74,929.09 and 12,514.27

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Solution

The fourth proportional to 49,953.88, 74,929.09 and 12,514.27 is: 18,770.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,953.88 : 74,929.09 = 12,514.27 : x
  2. Step 2: Convert to fraction form
    49,953.88/74,929.09 = 12,514.27/x
  3. Step 3: Cross multiply
    49,953.88x = 74,929.09 × 12,514.27
  4. Step 4: Simplify right side
    49,953.88x = 937,682,863.11
  5. Step 5: Solve for x
    x = 937,682,863.11/49,953.88
  6. Step 6: Final answer
    x = 18,770.97

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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.