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Finding the Fourth Proportional to 16,450.44, 22,699.92 and 9,376.44

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Solution

The fourth proportional to 16,450.44, 22,699.92 and 9,376.44 is: 12,938.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,450.44 : 22,699.92 = 9,376.44 : x
  2. Step 2: Convert to fraction form
    16,450.44/22,699.92 = 9,376.44/x
  3. Step 3: Cross multiply
    16,450.44x = 22,699.92 × 9,376.44
  4. Step 4: Simplify right side
    16,450.44x = 212,844,437.88
  5. Step 5: Solve for x
    x = 212,844,437.88/16,450.44
  6. Step 6: Final answer
    x = 12,938.53

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1.5x scale

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.