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Finding the Fourth Proportional to 3,503.52, 5,243.94 and 2,578.88

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Solution

The fourth proportional to 3,503.52, 5,243.94 and 2,578.88 is: 3,859.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503.52 : 5,243.94 = 2,578.88 : x
  2. Step 2: Convert to fraction form
    3,503.52/5,243.94 = 2,578.88/x
  3. Step 3: Cross multiply
    3,503.52x = 5,243.94 × 2,578.88
  4. Step 4: Simplify right side
    3,503.52x = 13,523,491.99
  5. Step 5: Solve for x
    x = 13,523,491.99/3,503.52
  6. Step 6: Final answer
    x = 3,859.97

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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.