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Finding the Fourth Proportional to 18,655.94, 27,847.41 and 16,441.67

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Solution

The fourth proportional to 18,655.94, 27,847.41 and 16,441.67 is: 24,542.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,655.94 : 27,847.41 = 16,441.67 : x
  2. Step 2: Convert to fraction form
    18,655.94/27,847.41 = 16,441.67/x
  3. Step 3: Cross multiply
    18,655.94x = 27,847.41 × 16,441.67
  4. Step 4: Simplify right side
    18,655.94x = 457,857,704.13
  5. Step 5: Solve for x
    x = 457,857,704.13/18,655.94
  6. Step 6: Final answer
    x = 24,542.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.