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Finding the Fourth Proportional to 18,584.67, 25,645.14 and 11,029.70

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Solution

The fourth proportional to 18,584.67, 25,645.14 and 11,029.70 is: 15,219.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,584.67 : 25,645.14 = 11,029.70 : x
  2. Step 2: Convert to fraction form
    18,584.67/25,645.14 = 11,029.70/x
  3. Step 3: Cross multiply
    18,584.67x = 25,645.14 × 11,029.70
  4. Step 4: Simplify right side
    18,584.67x = 282,858,264.77
  5. Step 5: Solve for x
    x = 282,858,264.77/18,584.67
  6. Step 6: Final answer
    x = 15,219.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.