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Finding the Fourth Proportional to 18,794.94, 28,157.67 and 16,301.76

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Solution

The fourth proportional to 18,794.94, 28,157.67 and 16,301.76 is: 24,422.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,794.94 : 28,157.67 = 16,301.76 : x
  2. Step 2: Convert to fraction form
    18,794.94/28,157.67 = 16,301.76/x
  3. Step 3: Cross multiply
    18,794.94x = 28,157.67 × 16,301.76
  4. Step 4: Simplify right side
    18,794.94x = 459,019,578.50
  5. Step 5: Solve for x
    x = 459,019,578.50/18,794.94
  6. Step 6: Final answer
    x = 24,422.51

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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.