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Finding the Fourth Proportional to 6,329.81, 9,472.75 and 5,205.80

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Solution

The fourth proportional to 6,329.81, 9,472.75 and 5,205.80 is: 7,790.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,329.81 : 9,472.75 = 5,205.80 : x
  2. Step 2: Convert to fraction form
    6,329.81/9,472.75 = 5,205.80/x
  3. Step 3: Cross multiply
    6,329.81x = 9,472.75 × 5,205.80
  4. Step 4: Simplify right side
    6,329.81x = 49,313,252.62
  5. Step 5: Solve for x
    x = 49,313,252.62/6,329.81
  6. Step 6: Final answer
    x = 7,790.63

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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.