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Finding the Fourth Proportional to 18,392.75, 27,593.19 and 5,245.23

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Solution

The fourth proportional to 18,392.75, 27,593.19 and 5,245.23 is: 7,869.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,392.75 : 27,593.19 = 5,245.23 : x
  2. Step 2: Convert to fraction form
    18,392.75/27,593.19 = 5,245.23/x
  3. Step 3: Cross multiply
    18,392.75x = 27,593.19 × 5,245.23
  4. Step 4: Simplify right side
    18,392.75x = 144,732,627.98
  5. Step 5: Solve for x
    x = 144,732,627.98/18,392.75
  6. Step 6: Final answer
    x = 7,869.01

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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.