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Finding the Fourth Proportional to 11,712.53, 17,574.57 and 5,472.97

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Solution

The fourth proportional to 11,712.53, 17,574.57 and 5,472.97 is: 8,212.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,712.53 : 17,574.57 = 5,472.97 : x
  2. Step 2: Convert to fraction form
    11,712.53/17,574.57 = 5,472.97/x
  3. Step 3: Cross multiply
    11,712.53x = 17,574.57 × 5,472.97
  4. Step 4: Simplify right side
    11,712.53x = 96,185,134.26
  5. Step 5: Solve for x
    x = 96,185,134.26/11,712.53
  6. Step 6: Final answer
    x = 8,212.16

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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.