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Finding the Fourth Proportional to 18,406.46, 27,603.56 and 5,923.56

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Solution

The fourth proportional to 18,406.46, 27,603.56 and 5,923.56 is: 8,883.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,406.46 : 27,603.56 = 5,923.56 : x
  2. Step 2: Convert to fraction form
    18,406.46/27,603.56 = 5,923.56/x
  3. Step 3: Cross multiply
    18,406.46x = 27,603.56 × 5,923.56
  4. Step 4: Simplify right side
    18,406.46x = 163,511,343.87
  5. Step 5: Solve for x
    x = 163,511,343.87/18,406.46
  6. Step 6: Final answer
    x = 8,883.37

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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.