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Finding the Fourth Proportional to 7,446.12, 10,273.08 and 5,321.88

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Solution

The fourth proportional to 7,446.12, 10,273.08 and 5,321.88 is: 7,342.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,446.12 : 10,273.08 = 5,321.88 : x
  2. Step 2: Convert to fraction form
    7,446.12/10,273.08 = 5,321.88/x
  3. Step 3: Cross multiply
    7,446.12x = 10,273.08 × 5,321.88
  4. Step 4: Simplify right side
    7,446.12x = 54,672,098.99
  5. Step 5: Solve for x
    x = 54,672,098.99/7,446.12
  6. Step 6: Final answer
    x = 7,342.36

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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.