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Finding the Fourth Proportional to 53,662.97, 80,499.97 and 14,220.09

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Solution

The fourth proportional to 53,662.97, 80,499.97 and 14,220.09 is: 21,331.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,662.97 : 80,499.97 = 14,220.09 : x
  2. Step 2: Convert to fraction form
    53,662.97/80,499.97 = 14,220.09/x
  3. Step 3: Cross multiply
    53,662.97x = 80,499.97 × 14,220.09
  4. Step 4: Simplify right side
    53,662.97x = 1,144,716,701.36
  5. Step 5: Solve for x
    x = 1,144,716,701.36/53,662.97
  6. Step 6: Final answer
    x = 21,331.59

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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.