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Finding the Fourth Proportional to 18,416.80, 27,625.20 and 16,302.70

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Solution

The fourth proportional to 18,416.80, 27,625.20 and 16,302.70 is: 24,454.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,416.80 : 27,625.20 = 16,302.70 : x
  2. Step 2: Convert to fraction form
    18,416.80/27,625.20 = 16,302.70/x
  3. Step 3: Cross multiply
    18,416.80x = 27,625.20 × 16,302.70
  4. Step 4: Simplify right side
    18,416.80x = 450,365,348.04
  5. Step 5: Solve for x
    x = 450,365,348.04/18,416.80
  6. Step 6: Final answer
    x = 24,454.05

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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.