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Finding the Fourth Proportional to 53,889.59, 80,834.37 and 16,449.86

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Solution

The fourth proportional to 53,889.59, 80,834.37 and 16,449.86 is: 24,674.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,889.59 : 80,834.37 = 16,449.86 : x
  2. Step 2: Convert to fraction form
    53,889.59/80,834.37 = 16,449.86/x
  3. Step 3: Cross multiply
    53,889.59x = 80,834.37 × 16,449.86
  4. Step 4: Simplify right side
    53,889.59x = 1,329,713,665.52
  5. Step 5: Solve for x
    x = 1,329,713,665.52/53,889.59
  6. Step 6: Final answer
    x = 24,674.78

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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.