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Finding the Fourth Proportional to 18,658.01, 27,949.52 and 9,269.64

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Solution

The fourth proportional to 18,658.01, 27,949.52 and 9,269.64 is: 13,885.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,658.01 : 27,949.52 = 9,269.64 : x
  2. Step 2: Convert to fraction form
    18,658.01/27,949.52 = 9,269.64/x
  3. Step 3: Cross multiply
    18,658.01x = 27,949.52 × 9,269.64
  4. Step 4: Simplify right side
    18,658.01x = 259,082,011.75
  5. Step 5: Solve for x
    x = 259,082,011.75/18,658.01
  6. Step 6: Final answer
    x = 13,885.83

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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.