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Finding the Fourth Proportional to 18,285.94, 25,234.08 and 10,833.94

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Solution

The fourth proportional to 18,285.94, 25,234.08 and 10,833.94 is: 14,950.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,285.94 : 25,234.08 = 10,833.94 : x
  2. Step 2: Convert to fraction form
    18,285.94/25,234.08 = 10,833.94/x
  3. Step 3: Cross multiply
    18,285.94x = 25,234.08 × 10,833.94
  4. Step 4: Simplify right side
    18,285.94x = 273,384,508.68
  5. Step 5: Solve for x
    x = 273,384,508.68/18,285.94
  6. Step 6: Final answer
    x = 14,950.53

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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.