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Finding the Fourth Proportional to 5,615.73, 7,750.18 and 3,257.72

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Solution

The fourth proportional to 5,615.73, 7,750.18 and 3,257.72 is: 4,495.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615.73 : 7,750.18 = 3,257.72 : x
  2. Step 2: Convert to fraction form
    5,615.73/7,750.18 = 3,257.72/x
  3. Step 3: Cross multiply
    5,615.73x = 7,750.18 × 3,257.72
  4. Step 4: Simplify right side
    5,615.73x = 25,247,910.77
  5. Step 5: Solve for x
    x = 25,247,910.77/5,615.73
  6. Step 6: Final answer
    x = 4,495.93

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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.