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Finding the Fourth Proportional to 18,160.80, 27,176.40 and 16,605.60

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Solution

The fourth proportional to 18,160.80, 27,176.40 and 16,605.60 is: 24,849.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,160.80 : 27,176.40 = 16,605.60 : x
  2. Step 2: Convert to fraction form
    18,160.80/27,176.40 = 16,605.60/x
  3. Step 3: Cross multiply
    18,160.80x = 27,176.40 × 16,605.60
  4. Step 4: Simplify right side
    18,160.80x = 451,280,427.84
  5. Step 5: Solve for x
    x = 451,280,427.84/18,160.80
  6. Step 6: Final answer
    x = 24,849.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.