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Finding the Fourth Proportional to 18,618.08, 25,692.30 and 10,234.52

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Solution

The fourth proportional to 18,618.08, 25,692.30 and 10,234.52 is: 14,123.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,618.08 : 25,692.30 = 10,234.52 : x
  2. Step 2: Convert to fraction form
    18,618.08/25,692.30 = 10,234.52/x
  3. Step 3: Cross multiply
    18,618.08x = 25,692.30 × 10,234.52
  4. Step 4: Simplify right side
    18,618.08x = 262,948,358.20
  5. Step 5: Solve for x
    x = 262,948,358.20/18,618.08
  6. Step 6: Final answer
    x = 14,123.28

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.