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Finding the Fourth Proportional to 18,495.63, 25,524.99 and 10,536.33

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Solution

The fourth proportional to 18,495.63, 25,524.99 and 10,536.33 is: 14,540.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,495.63 : 25,524.99 = 10,536.33 : x
  2. Step 2: Convert to fraction form
    18,495.63/25,524.99 = 10,536.33/x
  3. Step 3: Cross multiply
    18,495.63x = 25,524.99 × 10,536.33
  4. Step 4: Simplify right side
    18,495.63x = 268,939,537.58
  5. Step 5: Solve for x
    x = 268,939,537.58/18,495.63
  6. Step 6: Final answer
    x = 14,540.71

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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.