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Finding the Fourth Proportional to 13,366.89, 20,046.42 and 4,006.53

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Solution

The fourth proportional to 13,366.89, 20,046.42 and 4,006.53 is: 6,008.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366.89 : 20,046.42 = 4,006.53 : x
  2. Step 2: Convert to fraction form
    13,366.89/20,046.42 = 4,006.53/x
  3. Step 3: Cross multiply
    13,366.89x = 20,046.42 × 4,006.53
  4. Step 4: Simplify right side
    13,366.89x = 80,316,583.12
  5. Step 5: Solve for x
    x = 80,316,583.12/13,366.89
  6. Step 6: Final answer
    x = 6,008.62

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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.