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Finding the Fourth Proportional to 17,863.72, 26,716.74 and 10,824.28

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Solution

The fourth proportional to 17,863.72, 26,716.74 and 10,824.28 is: 16,188.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,863.72 : 26,716.74 = 10,824.28 : x
  2. Step 2: Convert to fraction form
    17,863.72/26,716.74 = 10,824.28/x
  3. Step 3: Cross multiply
    17,863.72x = 26,716.74 × 10,824.28
  4. Step 4: Simplify right side
    17,863.72x = 289,189,474.45
  5. Step 5: Solve for x
    x = 289,189,474.45/17,863.72
  6. Step 6: Final answer
    x = 16,188.65

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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.