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Finding the Fourth Proportional to 8,555.73, 11,806.98 and 5,019

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Solution

The fourth proportional to 8,555.73, 11,806.98 and 5,019 is: 6,926.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555.73 : 11,806.98 = 5,019 : x
  2. Step 2: Convert to fraction form
    8,555.73/11,806.98 = 5,019/x
  3. Step 3: Cross multiply
    8,555.73x = 11,806.98 × 5,019
  4. Step 4: Simplify right side
    8,555.73x = 59,259,232.62
  5. Step 5: Solve for x
    x = 59,259,232.62/8,555.73
  6. Step 6: Final answer
    x = 6,926.26

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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.