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Finding the Fourth Proportional to 16,805.81, 25,208.70 and 6,934.23

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Solution

The fourth proportional to 16,805.81, 25,208.70 and 6,934.23 is: 10,401.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,805.81 : 25,208.70 = 6,934.23 : x
  2. Step 2: Convert to fraction form
    16,805.81/25,208.70 = 6,934.23/x
  3. Step 3: Cross multiply
    16,805.81x = 25,208.70 × 6,934.23
  4. Step 4: Simplify right side
    16,805.81x = 174,802,923.80
  5. Step 5: Solve for x
    x = 174,802,923.80/16,805.81
  6. Step 6: Final answer
    x = 10,401.34

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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.