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Finding the Fourth Proportional to 12,461.73, 18,692.46 and 7,204.65

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Solution

The fourth proportional to 12,461.73, 18,692.46 and 7,204.65 is: 10,806.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,461.73 : 18,692.46 = 7,204.65 : x
  2. Step 2: Convert to fraction form
    12,461.73/18,692.46 = 7,204.65/x
  3. Step 3: Cross multiply
    12,461.73x = 18,692.46 × 7,204.65
  4. Step 4: Simplify right side
    12,461.73x = 134,672,631.94
  5. Step 5: Solve for x
    x = 134,672,631.94/12,461.73
  6. Step 6: Final answer
    x = 10,806.90

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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.