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Finding the Fourth Proportional to 4,661.69, 6,992.53 and 3,196.40

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Solution

The fourth proportional to 4,661.69, 6,992.53 and 3,196.40 is: 4,794.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,661.69 : 6,992.53 = 3,196.40 : x
  2. Step 2: Convert to fraction form
    4,661.69/6,992.53 = 3,196.40/x
  3. Step 3: Cross multiply
    4,661.69x = 6,992.53 × 3,196.40
  4. Step 4: Simplify right side
    4,661.69x = 22,350,879.94
  5. Step 5: Solve for x
    x = 22,350,879.94/4,661.69
  6. Step 6: Final answer
    x = 4,794.59

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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.