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Finding the Fourth Proportional to 55,124.67, 82,687.19 and 13,571.67

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Solution

The fourth proportional to 55,124.67, 82,687.19 and 13,571.67 is: 20,357.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,124.67 : 82,687.19 = 13,571.67 : x
  2. Step 2: Convert to fraction form
    55,124.67/82,687.19 = 13,571.67/x
  3. Step 3: Cross multiply
    55,124.67x = 82,687.19 × 13,571.67
  4. Step 4: Simplify right side
    55,124.67x = 1,122,203,188.05
  5. Step 5: Solve for x
    x = 1,122,203,188.05/55,124.67
  6. Step 6: Final answer
    x = 20,357.55

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1.5x scale

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.