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Finding the Fourth Proportional to 11,930.58, 17,895.87 and 3,722.58

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Solution

The fourth proportional to 11,930.58, 17,895.87 and 3,722.58 is: 5,583.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,930.58 : 17,895.87 = 3,722.58 : x
  2. Step 2: Convert to fraction form
    11,930.58/17,895.87 = 3,722.58/x
  3. Step 3: Cross multiply
    11,930.58x = 17,895.87 × 3,722.58
  4. Step 4: Simplify right side
    11,930.58x = 66,618,807.74
  5. Step 5: Solve for x
    x = 66,618,807.74/11,930.58
  6. Step 6: Final answer
    x = 5,583.87

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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.