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Finding the Fourth Proportional to 16,474.84, 22,735.29 and 8,921.18

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Solution

The fourth proportional to 16,474.84, 22,735.29 and 8,921.18 is: 12,311.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,474.84 : 22,735.29 = 8,921.18 : x
  2. Step 2: Convert to fraction form
    16,474.84/22,735.29 = 8,921.18/x
  3. Step 3: Cross multiply
    16,474.84x = 22,735.29 × 8,921.18
  4. Step 4: Simplify right side
    16,474.84x = 202,825,614.44
  5. Step 5: Solve for x
    x = 202,825,614.44/16,474.84
  6. Step 6: Final answer
    x = 12,311.23

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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.