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Finding the Fourth Proportional to 11,252.21, 15,525.92 and 7,222.46

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Solution

The fourth proportional to 11,252.21, 15,525.92 and 7,222.46 is: 9,965.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,252.21 : 15,525.92 = 7,222.46 : x
  2. Step 2: Convert to fraction form
    11,252.21/15,525.92 = 7,222.46/x
  3. Step 3: Cross multiply
    11,252.21x = 15,525.92 × 7,222.46
  4. Step 4: Simplify right side
    11,252.21x = 112,135,222.42
  5. Step 5: Solve for x
    x = 112,135,222.42/11,252.21
  6. Step 6: Final answer
    x = 9,965.62

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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.