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Finding the Fourth Proportional to 18,166.27, 27,249.14 and 5,018.35

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Solution

The fourth proportional to 18,166.27, 27,249.14 and 5,018.35 is: 7,527.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,166.27 : 27,249.14 = 5,018.35 : x
  2. Step 2: Convert to fraction form
    18,166.27/27,249.14 = 5,018.35/x
  3. Step 3: Cross multiply
    18,166.27x = 27,249.14 × 5,018.35
  4. Step 4: Simplify right side
    18,166.27x = 136,745,696.63
  5. Step 5: Solve for x
    x = 136,745,696.63/18,166.27
  6. Step 6: Final answer
    x = 7,527.45

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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.