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Finding the Fourth Proportional to 18,824.62, 25,978 and 10,441.18

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Solution

The fourth proportional to 18,824.62, 25,978 and 10,441.18 is: 14,408.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,824.62 : 25,978 = 10,441.18 : x
  2. Step 2: Convert to fraction form
    18,824.62/25,978 = 10,441.18/x
  3. Step 3: Cross multiply
    18,824.62x = 25,978 × 10,441.18
  4. Step 4: Simplify right side
    18,824.62x = 271,240,974.04
  5. Step 5: Solve for x
    x = 271,240,974.04/18,824.62
  6. Step 6: Final answer
    x = 14,408.84

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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.