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Finding the Fourth Proportional to 18,002.20, 27,003.30 and 16,471.30

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Solution

The fourth proportional to 18,002.20, 27,003.30 and 16,471.30 is: 24,706.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,002.20 : 27,003.30 = 16,471.30 : x
  2. Step 2: Convert to fraction form
    18,002.20/27,003.30 = 16,471.30/x
  3. Step 3: Cross multiply
    18,002.20x = 27,003.30 × 16,471.30
  4. Step 4: Simplify right side
    18,002.20x = 444,779,455.29
  5. Step 5: Solve for x
    x = 444,779,455.29/18,002.20
  6. Step 6: Final answer
    x = 24,706.95

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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.