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Finding the Fourth Proportional to 11,552.17, 15,940.66 and 6,516.47

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Solution

The fourth proportional to 11,552.17, 15,940.66 and 6,516.47 is: 8,991.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,552.17 : 15,940.66 = 6,516.47 : x
  2. Step 2: Convert to fraction form
    11,552.17/15,940.66 = 6,516.47/x
  3. Step 3: Cross multiply
    11,552.17x = 15,940.66 × 6,516.47
  4. Step 4: Simplify right side
    11,552.17x = 103,876,832.67
  5. Step 5: Solve for x
    x = 103,876,832.67/11,552.17
  6. Step 6: Final answer
    x = 8,991.98

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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.