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Finding the Fourth Proportional to 3,225.54, 4,450.98 and 1,899.03

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Solution

The fourth proportional to 3,225.54, 4,450.98 and 1,899.03 is: 2,620.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.54 : 4,450.98 = 1,899.03 : x
  2. Step 2: Convert to fraction form
    3,225.54/4,450.98 = 1,899.03/x
  3. Step 3: Cross multiply
    3,225.54x = 4,450.98 × 1,899.03
  4. Step 4: Simplify right side
    3,225.54x = 8,452,544.55
  5. Step 5: Solve for x
    x = 8,452,544.55/3,225.54
  6. Step 6: Final answer
    x = 2,620.51

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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.