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Finding the Fourth Proportional to 18,752.99, 25,876.50 and 10,793.69

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Solution

The fourth proportional to 18,752.99, 25,876.50 and 10,793.69 is: 14,893.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,752.99 : 25,876.50 = 10,793.69 : x
  2. Step 2: Convert to fraction form
    18,752.99/25,876.50 = 10,793.69/x
  3. Step 3: Cross multiply
    18,752.99x = 25,876.50 × 10,793.69
  4. Step 4: Simplify right side
    18,752.99x = 279,302,846.46
  5. Step 5: Solve for x
    x = 279,302,846.46/18,752.99
  6. Step 6: Final answer
    x = 14,893.78

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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.