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Finding the Fourth Proportional to 6,571.62, 9,832.73 and 3,929.40

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Solution

The fourth proportional to 6,571.62, 9,832.73 and 3,929.40 is: 5,879.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,571.62 : 9,832.73 = 3,929.40 : x
  2. Step 2: Convert to fraction form
    6,571.62/9,832.73 = 3,929.40/x
  3. Step 3: Cross multiply
    6,571.62x = 9,832.73 × 3,929.40
  4. Step 4: Simplify right side
    6,571.62x = 38,636,709.62
  5. Step 5: Solve for x
    x = 38,636,709.62/6,571.62
  6. Step 6: Final answer
    x = 5,879.33

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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.