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Finding the Fourth Proportional to 49,885.86, 68,842.53 and 27,529.86

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Solution

The fourth proportional to 49,885.86, 68,842.53 and 27,529.86 is: 37,991.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,885.86 : 68,842.53 = 27,529.86 : x
  2. Step 2: Convert to fraction form
    49,885.86/68,842.53 = 27,529.86/x
  3. Step 3: Cross multiply
    49,885.86x = 68,842.53 × 27,529.86
  4. Step 4: Simplify right side
    49,885.86x = 1,895,225,212.95
  5. Step 5: Solve for x
    x = 1,895,225,212.95/49,885.86
  6. Step 6: Final answer
    x = 37,991.23

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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.