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Finding the Fourth Proportional to 27,571.70, 41,374.56 and 12,777.86

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Solution

The fourth proportional to 27,571.70, 41,374.56 and 12,777.86 is: 19,174.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,571.70 : 41,374.56 = 12,777.86 : x
  2. Step 2: Convert to fraction form
    27,571.70/41,374.56 = 12,777.86/x
  3. Step 3: Cross multiply
    27,571.70x = 41,374.56 × 12,777.86
  4. Step 4: Simplify right side
    27,571.70x = 528,678,335.24
  5. Step 5: Solve for x
    x = 528,678,335.24/27,571.70
  6. Step 6: Final answer
    x = 19,174.67

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.