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Finding the Fourth Proportional to 16,474.50, 22,735.38 and 9,022.50

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Solution

The fourth proportional to 16,474.50, 22,735.38 and 9,022.50 is: 12,451.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,474.50 : 22,735.38 = 9,022.50 : x
  2. Step 2: Convert to fraction form
    16,474.50/22,735.38 = 9,022.50/x
  3. Step 3: Cross multiply
    16,474.50x = 22,735.38 × 9,022.50
  4. Step 4: Simplify right side
    16,474.50x = 205,129,966.05
  5. Step 5: Solve for x
    x = 205,129,966.05/16,474.50
  6. Step 6: Final answer
    x = 12,451.36

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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.