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Finding the Fourth Proportional to 18,250.70, 27,194.60 and 16,261.02

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Solution

The fourth proportional to 18,250.70, 27,194.60 and 16,261.02 is: 24,229.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,250.70 : 27,194.60 = 16,261.02 : x
  2. Step 2: Convert to fraction form
    18,250.70/27,194.60 = 16,261.02/x
  3. Step 3: Cross multiply
    18,250.70x = 27,194.60 × 16,261.02
  4. Step 4: Simplify right side
    18,250.70x = 442,211,853.19
  5. Step 5: Solve for x
    x = 442,211,853.19/18,250.70
  6. Step 6: Final answer
    x = 24,229.86

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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.