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Finding the Fourth Proportional to 4,771.88, 6,578.23 and 3,351.28

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Solution

The fourth proportional to 4,771.88, 6,578.23 and 3,351.28 is: 4,619.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,771.88 : 6,578.23 = 3,351.28 : x
  2. Step 2: Convert to fraction form
    4,771.88/6,578.23 = 3,351.28/x
  3. Step 3: Cross multiply
    4,771.88x = 6,578.23 × 3,351.28
  4. Step 4: Simplify right side
    4,771.88x = 22,045,440.99
  5. Step 5: Solve for x
    x = 22,045,440.99/4,771.88
  6. Step 6: Final answer
    x = 4,619.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.