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Finding the Fourth Proportional to 11,756.49, 17,629.53 and 5,511.45

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Solution

The fourth proportional to 11,756.49, 17,629.53 and 5,511.45 is: 8,264.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,756.49 : 17,629.53 = 5,511.45 : x
  2. Step 2: Convert to fraction form
    11,756.49/17,629.53 = 5,511.45/x
  3. Step 3: Cross multiply
    11,756.49x = 17,629.53 × 5,511.45
  4. Step 4: Simplify right side
    11,756.49x = 97,164,318.56
  5. Step 5: Solve for x
    x = 97,164,318.56/11,756.49
  6. Step 6: Final answer
    x = 8,264.74

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.