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Finding the Fourth Proportional to 11,858.87, 17,793.47 and 5,623.25

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Solution

The fourth proportional to 11,858.87, 17,793.47 and 5,623.25 is: 8,437.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,858.87 : 17,793.47 = 5,623.25 : x
  2. Step 2: Convert to fraction form
    11,858.87/17,793.47 = 5,623.25/x
  3. Step 3: Cross multiply
    11,858.87x = 17,793.47 × 5,623.25
  4. Step 4: Simplify right side
    11,858.87x = 100,057,102.06
  5. Step 5: Solve for x
    x = 100,057,102.06/11,858.87
  6. Step 6: Final answer
    x = 8,437.32

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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.