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Finding the Fourth Proportional to 55,327.88, 82,992.33 and 15,884.99

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Solution

The fourth proportional to 55,327.88, 82,992.33 and 15,884.99 is: 23,827.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,327.88 : 82,992.33 = 15,884.99 : x
  2. Step 2: Convert to fraction form
    55,327.88/82,992.33 = 15,884.99/x
  3. Step 3: Cross multiply
    55,327.88x = 82,992.33 × 15,884.99
  4. Step 4: Simplify right side
    55,327.88x = 1,318,332,332.13
  5. Step 5: Solve for x
    x = 1,318,332,332.13/55,327.88
  6. Step 6: Final answer
    x = 23,827.63

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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.