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Finding the Fourth Proportional to 18,608.94, 27,884.25 and 15,824.16

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Solution

The fourth proportional to 18,608.94, 27,884.25 and 15,824.16 is: 23,711.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,608.94 : 27,884.25 = 15,824.16 : x
  2. Step 2: Convert to fraction form
    18,608.94/27,884.25 = 15,824.16/x
  3. Step 3: Cross multiply
    18,608.94x = 27,884.25 × 15,824.16
  4. Step 4: Simplify right side
    18,608.94x = 441,244,833.48
  5. Step 5: Solve for x
    x = 441,244,833.48/18,608.94
  6. Step 6: Final answer
    x = 23,711.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.