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Finding the Fourth Proportional to 18,608.24, 27,895.94 and 6,913.25

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Solution

The fourth proportional to 18,608.24, 27,895.94 and 6,913.25 is: 10,363.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,608.24 : 27,895.94 = 6,913.25 : x
  2. Step 2: Convert to fraction form
    18,608.24/27,895.94 = 6,913.25/x
  3. Step 3: Cross multiply
    18,608.24x = 27,895.94 × 6,913.25
  4. Step 4: Simplify right side
    18,608.24x = 192,851,607.21
  5. Step 5: Solve for x
    x = 192,851,607.21/18,608.24
  6. Step 6: Final answer
    x = 10,363.78

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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.