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Finding the Fourth Proportional to 18,177, 27,248.49 and 16,553.76

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Solution

The fourth proportional to 18,177, 27,248.49 and 16,553.76 is: 24,815.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,177 : 27,248.49 = 16,553.76 : x
  2. Step 2: Convert to fraction form
    18,177/27,248.49 = 16,553.76/x
  3. Step 3: Cross multiply
    18,177x = 27,248.49 × 16,553.76
  4. Step 4: Simplify right side
    18,177x = 451,064,963.82
  5. Step 5: Solve for x
    x = 451,064,963.82/18,177
  6. Step 6: Final answer
    x = 24,815.15

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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.