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Finding the Fourth Proportional to 45,791.99, 68,662.75 and 14,193.29

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Solution

The fourth proportional to 45,791.99, 68,662.75 and 14,193.29 is: 21,282.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,791.99 : 68,662.75 = 14,193.29 : x
  2. Step 2: Convert to fraction form
    45,791.99/68,662.75 = 14,193.29/x
  3. Step 3: Cross multiply
    45,791.99x = 68,662.75 × 14,193.29
  4. Step 4: Simplify right side
    45,791.99x = 974,550,322.95
  5. Step 5: Solve for x
    x = 974,550,322.95/45,791.99
  6. Step 6: Final answer
    x = 21,282.11

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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.