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Finding the Fourth Proportional to 22,692.65, 34,017.99 and 12,169.98

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Solution

The fourth proportional to 22,692.65, 34,017.99 and 12,169.98 is: 18,243.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,692.65 : 34,017.99 = 12,169.98 : x
  2. Step 2: Convert to fraction form
    22,692.65/34,017.99 = 12,169.98/x
  3. Step 3: Cross multiply
    22,692.65x = 34,017.99 × 12,169.98
  4. Step 4: Simplify right side
    22,692.65x = 413,998,257.94
  5. Step 5: Solve for x
    x = 413,998,257.94/22,692.65
  6. Step 6: Final answer
    x = 18,243.72

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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.