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Finding the Fourth Proportional to 18,462.01, 27,692.80 and 12,524.18

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Solution

The fourth proportional to 18,462.01, 27,692.80 and 12,524.18 is: 18,786.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,462.01 : 27,692.80 = 12,524.18 : x
  2. Step 2: Convert to fraction form
    18,462.01/27,692.80 = 12,524.18/x
  3. Step 3: Cross multiply
    18,462.01x = 27,692.80 × 12,524.18
  4. Step 4: Simplify right side
    18,462.01x = 346,829,611.90
  5. Step 5: Solve for x
    x = 346,829,611.90/18,462.01
  6. Step 6: Final answer
    x = 18,786.12

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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.