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Finding the Fourth Proportional to 16,805.46, 25,206.02 and 6,943.42

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Solution

The fourth proportional to 16,805.46, 25,206.02 and 6,943.42 is: 10,414.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,805.46 : 25,206.02 = 6,943.42 : x
  2. Step 2: Convert to fraction form
    16,805.46/25,206.02 = 6,943.42/x
  3. Step 3: Cross multiply
    16,805.46x = 25,206.02 × 6,943.42
  4. Step 4: Simplify right side
    16,805.46x = 175,015,983.39
  5. Step 5: Solve for x
    x = 175,015,983.39/16,805.46
  6. Step 6: Final answer
    x = 10,414.23

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1.5x scale

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.