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Finding the Fourth Proportional to 18,311.10, 27,466.65 and 16,051.20

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Solution

The fourth proportional to 18,311.10, 27,466.65 and 16,051.20 is: 24,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,311.10 : 27,466.65 = 16,051.20 : x
  2. Step 2: Convert to fraction form
    18,311.10/27,466.65 = 16,051.20/x
  3. Step 3: Cross multiply
    18,311.10x = 27,466.65 × 16,051.20
  4. Step 4: Simplify right side
    18,311.10x = 440,872,692.48
  5. Step 5: Solve for x
    x = 440,872,692.48/18,311.10
  6. Step 6: Final answer
    x = 24,076.80

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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.