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Finding the Fourth Proportional to 18,523.24, 25,563.66 and 10,565.80

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Solution

The fourth proportional to 18,523.24, 25,563.66 and 10,565.80 is: 14,581.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,523.24 : 25,563.66 = 10,565.80 : x
  2. Step 2: Convert to fraction form
    18,523.24/25,563.66 = 10,565.80/x
  3. Step 3: Cross multiply
    18,523.24x = 25,563.66 × 10,565.80
  4. Step 4: Simplify right side
    18,523.24x = 270,100,518.83
  5. Step 5: Solve for x
    x = 270,100,518.83/18,523.24
  6. Step 6: Final answer
    x = 14,581.71

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.