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Finding the Fourth Proportional to 18,367.14, 27,529.50 and 8,356.86

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Solution

The fourth proportional to 18,367.14, 27,529.50 and 8,356.86 is: 12,525.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,367.14 : 27,529.50 = 8,356.86 : x
  2. Step 2: Convert to fraction form
    18,367.14/27,529.50 = 8,356.86/x
  3. Step 3: Cross multiply
    18,367.14x = 27,529.50 × 8,356.86
  4. Step 4: Simplify right side
    18,367.14x = 230,060,177.37
  5. Step 5: Solve for x
    x = 230,060,177.37/18,367.14
  6. Step 6: Final answer
    x = 12,525.64

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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.