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Finding the Fourth Proportional to 53,992.32, 80,990.37 and 14,550.37

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Solution

The fourth proportional to 53,992.32, 80,990.37 and 14,550.37 is: 21,826.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,992.32 : 80,990.37 = 14,550.37 : x
  2. Step 2: Convert to fraction form
    53,992.32/80,990.37 = 14,550.37/x
  3. Step 3: Cross multiply
    53,992.32x = 80,990.37 × 14,550.37
  4. Step 4: Simplify right side
    53,992.32x = 1,178,439,849.94
  5. Step 5: Solve for x
    x = 1,178,439,849.94/53,992.32
  6. Step 6: Final answer
    x = 21,826.06

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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.