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Finding the Fourth Proportional to 13,273.08, 19,912.86 and 4,039.08

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Solution

The fourth proportional to 13,273.08, 19,912.86 and 4,039.08 is: 6,059.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273.08 : 19,912.86 = 4,039.08 : x
  2. Step 2: Convert to fraction form
    13,273.08/19,912.86 = 4,039.08/x
  3. Step 3: Cross multiply
    13,273.08x = 19,912.86 × 4,039.08
  4. Step 4: Simplify right side
    13,273.08x = 80,429,634.57
  5. Step 5: Solve for x
    x = 80,429,634.57/13,273.08
  6. Step 6: Final answer
    x = 6,059.61

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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.