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Finding the Fourth Proportional to 11,049.30, 15,241.35 and 7,069.02

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Solution

The fourth proportional to 11,049.30, 15,241.35 and 7,069.02 is: 9,750.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,049.30 : 15,241.35 = 7,069.02 : x
  2. Step 2: Convert to fraction form
    11,049.30/15,241.35 = 7,069.02/x
  3. Step 3: Cross multiply
    11,049.30x = 15,241.35 × 7,069.02
  4. Step 4: Simplify right side
    11,049.30x = 107,741,407.98
  5. Step 5: Solve for x
    x = 107,741,407.98/11,049.30
  6. Step 6: Final answer
    x = 9,750.97

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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.