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Finding the Fourth Proportional to 18,495.62, 25,523.84 and 10,112.12

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Solution

The fourth proportional to 18,495.62, 25,523.84 and 10,112.12 is: 13,954.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,495.62 : 25,523.84 = 10,112.12 : x
  2. Step 2: Convert to fraction form
    18,495.62/25,523.84 = 10,112.12/x
  3. Step 3: Cross multiply
    18,495.62x = 25,523.84 × 10,112.12
  4. Step 4: Simplify right side
    18,495.62x = 258,100,132.94
  5. Step 5: Solve for x
    x = 258,100,132.94/18,495.62
  6. Step 6: Final answer
    x = 13,954.66

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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.