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Finding the Fourth Proportional to 11,335.50, 17,003.86 and 3,544.92

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Solution

The fourth proportional to 11,335.50, 17,003.86 and 3,544.92 is: 5,317.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,335.50 : 17,003.86 = 3,544.92 : x
  2. Step 2: Convert to fraction form
    11,335.50/17,003.86 = 3,544.92/x
  3. Step 3: Cross multiply
    11,335.50x = 17,003.86 × 3,544.92
  4. Step 4: Simplify right side
    11,335.50x = 60,277,314.53
  5. Step 5: Solve for x
    x = 60,277,314.53/11,335.50
  6. Step 6: Final answer
    x = 5,317.57

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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.