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Finding the Fourth Proportional to 18,572.68, 27,822.57 and 10,765.09

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Solution

The fourth proportional to 18,572.68, 27,822.57 and 10,765.09 is: 16,126.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,572.68 : 27,822.57 = 10,765.09 : x
  2. Step 2: Convert to fraction form
    18,572.68/27,822.57 = 10,765.09/x
  3. Step 3: Cross multiply
    18,572.68x = 27,822.57 × 10,765.09
  4. Step 4: Simplify right side
    18,572.68x = 299,512,470.08
  5. Step 5: Solve for x
    x = 299,512,470.08/18,572.68
  6. Step 6: Final answer
    x = 16,126.51

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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.