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Finding the Fourth Proportional to 12,493.52, 18,733.19 and 4,169.01

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Solution

The fourth proportional to 12,493.52, 18,733.19 and 4,169.01 is: 6,251.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,493.52 : 18,733.19 = 4,169.01 : x
  2. Step 2: Convert to fraction form
    12,493.52/18,733.19 = 4,169.01/x
  3. Step 3: Cross multiply
    12,493.52x = 18,733.19 × 4,169.01
  4. Step 4: Simplify right side
    12,493.52x = 78,098,835.60
  5. Step 5: Solve for x
    x = 78,098,835.60/12,493.52
  6. Step 6: Final answer
    x = 6,251.15

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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.