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Finding the Fourth Proportional to 11,737.44, 17,605.80 and 4,715.28

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Solution

The fourth proportional to 11,737.44, 17,605.80 and 4,715.28 is: 7,072.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,737.44 : 17,605.80 = 4,715.28 : x
  2. Step 2: Convert to fraction form
    11,737.44/17,605.80 = 4,715.28/x
  3. Step 3: Cross multiply
    11,737.44x = 17,605.80 × 4,715.28
  4. Step 4: Simplify right side
    11,737.44x = 83,016,276.62
  5. Step 5: Solve for x
    x = 83,016,276.62/11,737.44
  6. Step 6: Final answer
    x = 7,072.78

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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.