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Finding the Fourth Proportional to 11,718.96, 17,536.51 and 10,936.90

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Solution

The fourth proportional to 11,718.96, 17,536.51 and 10,936.90 is: 16,366.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718.96 : 17,536.51 = 10,936.90 : x
  2. Step 2: Convert to fraction form
    11,718.96/17,536.51 = 10,936.90/x
  3. Step 3: Cross multiply
    11,718.96x = 17,536.51 × 10,936.90
  4. Step 4: Simplify right side
    11,718.96x = 191,795,056.22
  5. Step 5: Solve for x
    x = 191,795,056.22/11,718.96
  6. Step 6: Final answer
    x = 16,366.22

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Why These Related Problems?

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