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Finding the Fourth Proportional to 18,659.01, 27,951.02 and 9,270.64

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Solution

The fourth proportional to 18,659.01, 27,951.02 and 9,270.64 is: 13,887.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,659.01 : 27,951.02 = 9,270.64 : x
  2. Step 2: Convert to fraction form
    18,659.01/27,951.02 = 9,270.64/x
  3. Step 3: Cross multiply
    18,659.01x = 27,951.02 × 9,270.64
  4. Step 4: Simplify right side
    18,659.01x = 259,123,844.05
  5. Step 5: Solve for x
    x = 259,123,844.05/18,659.01
  6. Step 6: Final answer
    x = 13,887.33

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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.