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Finding the Fourth Proportional to 18,277.84, 27,360.84 and 11,710.36

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Solution

The fourth proportional to 18,277.84, 27,360.84 and 11,710.36 is: 17,529.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,277.84 : 27,360.84 = 11,710.36 : x
  2. Step 2: Convert to fraction form
    18,277.84/27,360.84 = 11,710.36/x
  3. Step 3: Cross multiply
    18,277.84x = 27,360.84 × 11,710.36
  4. Step 4: Simplify right side
    18,277.84x = 320,405,286.30
  5. Step 5: Solve for x
    x = 320,405,286.30/18,277.84
  6. Step 6: Final answer
    x = 17,529.71

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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.