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Finding the Fourth Proportional to 18,523.99, 25,568.04 and 11,446.41

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Solution

The fourth proportional to 18,523.99, 25,568.04 and 11,446.41 is: 15,799.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,523.99 : 25,568.04 = 11,446.41 : x
  2. Step 2: Convert to fraction form
    18,523.99/25,568.04 = 11,446.41/x
  3. Step 3: Cross multiply
    18,523.99x = 25,568.04 × 11,446.41
  4. Step 4: Simplify right side
    18,523.99x = 292,662,311.66
  5. Step 5: Solve for x
    x = 292,662,311.66/18,523.99
  6. Step 6: Final answer
    x = 15,799.10

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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.