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Finding the Fourth Proportional to 13,673.44, 18,874.03 and 8,010

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Solution

The fourth proportional to 13,673.44, 18,874.03 and 8,010 is: 11,056.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,673.44 : 18,874.03 = 8,010 : x
  2. Step 2: Convert to fraction form
    13,673.44/18,874.03 = 8,010/x
  3. Step 3: Cross multiply
    13,673.44x = 18,874.03 × 8,010
  4. Step 4: Simplify right side
    13,673.44x = 151,180,980.30
  5. Step 5: Solve for x
    x = 151,180,980.30/13,673.44
  6. Step 6: Final answer
    x = 11,056.55

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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.