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Finding the Fourth Proportional to 11,047.56, 15,251.94 and 7,281.69

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Solution

The fourth proportional to 11,047.56, 15,251.94 and 7,281.69 is: 10,052.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,047.56 : 15,251.94 = 7,281.69 : x
  2. Step 2: Convert to fraction form
    11,047.56/15,251.94 = 7,281.69/x
  3. Step 3: Cross multiply
    11,047.56x = 15,251.94 × 7,281.69
  4. Step 4: Simplify right side
    11,047.56x = 111,059,898.98
  5. Step 5: Solve for x
    x = 111,059,898.98/11,047.56
  6. Step 6: Final answer
    x = 10,052.89

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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.