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Finding the Fourth Proportional to 18,524.37, 25,561.25 and 10,566.12

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Solution

The fourth proportional to 18,524.37, 25,561.25 and 10,566.12 is: 14,579.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,524.37 : 25,561.25 = 10,566.12 : x
  2. Step 2: Convert to fraction form
    18,524.37/25,561.25 = 10,566.12/x
  3. Step 3: Cross multiply
    18,524.37x = 25,561.25 × 10,566.12
  4. Step 4: Simplify right side
    18,524.37x = 270,083,317.50
  5. Step 5: Solve for x
    x = 270,083,317.50/18,524.37
  6. Step 6: Final answer
    x = 14,579.89

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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.