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Finding the Fourth Proportional to 11,661.59, 17,494.99 and 4,265.89

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Solution

The fourth proportional to 11,661.59, 17,494.99 and 4,265.89 is: 6,399.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,661.59 : 17,494.99 = 4,265.89 : x
  2. Step 2: Convert to fraction form
    11,661.59/17,494.99 = 4,265.89/x
  3. Step 3: Cross multiply
    11,661.59x = 17,494.99 × 4,265.89
  4. Step 4: Simplify right side
    11,661.59x = 74,631,648.49
  5. Step 5: Solve for x
    x = 74,631,648.49/11,661.59
  6. Step 6: Final answer
    x = 6,399.78

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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.