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Finding the Fourth Proportional to 40,668.51, 60,991.01 and 14,013.41

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Solution

The fourth proportional to 40,668.51, 60,991.01 and 14,013.41 is: 21,016.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,668.51 : 60,991.01 = 14,013.41 : x
  2. Step 2: Convert to fraction form
    40,668.51/60,991.01 = 14,013.41/x
  3. Step 3: Cross multiply
    40,668.51x = 60,991.01 × 14,013.41
  4. Step 4: Simplify right side
    40,668.51x = 854,691,706.97
  5. Step 5: Solve for x
    x = 854,691,706.97/40,668.51
  6. Step 6: Final answer
    x = 21,016.05

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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.