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Finding the Fourth Proportional to 18,461.62, 27,692.34 and 4,610.62

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Solution

The fourth proportional to 18,461.62, 27,692.34 and 4,610.62 is: 6,915.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,461.62 : 27,692.34 = 4,610.62 : x
  2. Step 2: Convert to fraction form
    18,461.62/27,692.34 = 4,610.62/x
  3. Step 3: Cross multiply
    18,461.62x = 27,692.34 × 4,610.62
  4. Step 4: Simplify right side
    18,461.62x = 127,678,856.65
  5. Step 5: Solve for x
    x = 127,678,856.65/18,461.62
  6. Step 6: Final answer
    x = 6,915.91

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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.