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Finding the Fourth Proportional to 11,262.59, 16,891.89 and 3,364.89

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Solution

The fourth proportional to 11,262.59, 16,891.89 and 3,364.89 is: 5,046.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,262.59 : 16,891.89 = 3,364.89 : x
  2. Step 2: Convert to fraction form
    11,262.59/16,891.89 = 3,364.89/x
  3. Step 3: Cross multiply
    11,262.59x = 16,891.89 × 3,364.89
  4. Step 4: Simplify right side
    11,262.59x = 56,839,351.74
  5. Step 5: Solve for x
    x = 56,839,351.74/11,262.59
  6. Step 6: Final answer
    x = 5,046.74

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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.