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Finding the Fourth Proportional to 11,236.72, 15,503.58 and 6,759.85

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Solution

The fourth proportional to 11,236.72, 15,503.58 and 6,759.85 is: 9,326.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,236.72 : 15,503.58 = 6,759.85 : x
  2. Step 2: Convert to fraction form
    11,236.72/15,503.58 = 6,759.85/x
  3. Step 3: Cross multiply
    11,236.72x = 15,503.58 × 6,759.85
  4. Step 4: Simplify right side
    11,236.72x = 104,801,875.26
  5. Step 5: Solve for x
    x = 104,801,875.26/11,236.72
  6. Step 6: Final answer
    x = 9,326.73

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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.