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Finding the Fourth Proportional to 18,227.60, 27,341.40 and 16,672.40

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Solution

The fourth proportional to 18,227.60, 27,341.40 and 16,672.40 is: 25,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,227.60 : 27,341.40 = 16,672.40 : x
  2. Step 2: Convert to fraction form
    18,227.60/27,341.40 = 16,672.40/x
  3. Step 3: Cross multiply
    18,227.60x = 27,341.40 × 16,672.40
  4. Step 4: Simplify right side
    18,227.60x = 455,846,757.36
  5. Step 5: Solve for x
    x = 455,846,757.36/18,227.60
  6. Step 6: Final answer
    x = 25,008.60

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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.