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Finding the Fourth Proportional to 18,492.48, 25,524.96 and 10,539

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Solution

The fourth proportional to 18,492.48, 25,524.96 and 10,539 is: 14,546.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,492.48 : 25,524.96 = 10,539 : x
  2. Step 2: Convert to fraction form
    18,492.48/25,524.96 = 10,539/x
  3. Step 3: Cross multiply
    18,492.48x = 25,524.96 × 10,539
  4. Step 4: Simplify right side
    18,492.48x = 269,007,553.44
  5. Step 5: Solve for x
    x = 269,007,553.44/18,492.48
  6. Step 6: Final answer
    x = 14,546.86

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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.