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Finding the Fourth Proportional to 18,618.24, 25,692.96 and 10,235.04

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Solution

The fourth proportional to 18,618.24, 25,692.96 and 10,235.04 is: 14,124.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,618.24 : 25,692.96 = 10,235.04 : x
  2. Step 2: Convert to fraction form
    18,618.24/25,692.96 = 10,235.04/x
  3. Step 3: Cross multiply
    18,618.24x = 25,692.96 × 10,235.04
  4. Step 4: Simplify right side
    18,618.24x = 262,968,473.32
  5. Step 5: Solve for x
    x = 262,968,473.32/18,618.24
  6. Step 6: Final answer
    x = 14,124.24

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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.