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Finding the Fourth Proportional to 18,166.54, 27,251.39 and 5,018.92

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Solution

The fourth proportional to 18,166.54, 27,251.39 and 5,018.92 is: 7,528.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,166.54 : 27,251.39 = 5,018.92 : x
  2. Step 2: Convert to fraction form
    18,166.54/27,251.39 = 5,018.92/x
  3. Step 3: Cross multiply
    18,166.54x = 27,251.39 × 5,018.92
  4. Step 4: Simplify right side
    18,166.54x = 136,772,546.30
  5. Step 5: Solve for x
    x = 136,772,546.30/18,166.54
  6. Step 6: Final answer
    x = 7,528.82

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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.