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Finding the Fourth Proportional to 18,524.48, 25,563.48 and 10,566.68

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Solution

The fourth proportional to 18,524.48, 25,563.48 and 10,566.68 is: 14,581.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,524.48 : 25,563.48 = 10,566.68 : x
  2. Step 2: Convert to fraction form
    18,524.48/25,563.48 = 10,566.68/x
  3. Step 3: Cross multiply
    18,524.48x = 25,563.48 × 10,566.68
  4. Step 4: Simplify right side
    18,524.48x = 270,121,112.85
  5. Step 5: Solve for x
    x = 270,121,112.85/18,524.48
  6. Step 6: Final answer
    x = 14,581.85

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1.5x scale

Why These Related Problems?

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