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Finding the Fourth Proportional to 18,251.40, 27,245.09 and 16,037.07

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Solution

The fourth proportional to 18,251.40, 27,245.09 and 16,037.07 is: 23,939.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,251.40 : 27,245.09 = 16,037.07 : x
  2. Step 2: Convert to fraction form
    18,251.40/27,245.09 = 16,037.07/x
  3. Step 3: Cross multiply
    18,251.40x = 27,245.09 × 16,037.07
  4. Step 4: Simplify right side
    18,251.40x = 436,931,415.49
  5. Step 5: Solve for x
    x = 436,931,415.49/18,251.40
  6. Step 6: Final answer
    x = 23,939.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.