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Finding the Fourth Proportional to 4,480.86, 6,707.28 and 2,834.94

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Solution

The fourth proportional to 4,480.86, 6,707.28 and 2,834.94 is: 4,243.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480.86 : 6,707.28 = 2,834.94 : x
  2. Step 2: Convert to fraction form
    4,480.86/6,707.28 = 2,834.94/x
  3. Step 3: Cross multiply
    4,480.86x = 6,707.28 × 2,834.94
  4. Step 4: Simplify right side
    4,480.86x = 19,014,736.36
  5. Step 5: Solve for x
    x = 19,014,736.36/4,480.86
  6. Step 6: Final answer
    x = 4,243.55

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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.