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Finding the Fourth Proportional to 27,672.60, 38,198.04 and 16,342.14

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Solution

The fourth proportional to 27,672.60, 38,198.04 and 16,342.14 is: 22,557.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,672.60 : 38,198.04 = 16,342.14 : x
  2. Step 2: Convert to fraction form
    27,672.60/38,198.04 = 16,342.14/x
  3. Step 3: Cross multiply
    27,672.60x = 38,198.04 × 16,342.14
  4. Step 4: Simplify right side
    27,672.60x = 624,237,594.59
  5. Step 5: Solve for x
    x = 624,237,594.59/27,672.60
  6. Step 6: Final answer
    x = 22,557.97

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1.5x scale

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.